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Irritable Male Syndrome 

Irritable Male Syndrome (IMS) is the male equivalent of the female hormone change during menstruation. Believe it or not but men's hormones change every month too, this results in mood swings similar to those women experience. Luckily it doesn't cause men to bleed through their pecker.
Michael is suffering from Irritable Male Syndrome a.k.a his man period.

Irritable Bitch Syndrome 

The persistently inflammatory condition of a bitchy person, resulting in poor absorption of positive experiences while they express frequent yet pointless bitchiness. Habitual of certain men and women.
The beautiful, sunny day at the pricey amusement park was a nightmare with her Irritable Bitch Syndrome flaring up every ten minutes.

Irritable Jowel Syndrome

A chronic disease suffered by a good friend of mine. Symptoms include yakking it up when he should be keeping his pie-hole shut.
Ken:Hey Norm, remember the time you, me & the 3 Mormon chicks....
Norm: Hey Ken, STFU! My wife's right here and doesn't need to hear about how I banged that Morman every day for 2 straight months in a row! You f*ing have irritable jowel syndrome, dude~~
Irritable Jowel Syndrome by Bangboy December 26, 2009

Irritable Fowl Syndrome 

An unhealthy obsession with the iPhone game Angry Birds. The disease is named as such because "irritable fowl" has a meaning similar to that of "angry bird."
Boss: "Hey Joe, would you mind stepping into my office? I think we need to have a little talk."
Joe: "Sure, what is it?"
Boss: "That was your third half-hour trip to the bathroom today and it's only 1:30. What's going on?"
Joe: "Unfortunately I suffer from Irritable Bowel Syndrome. We had chili for dinner last night, and it really hasn't been sitting well with me today."
Boss: "Hmm...well I asked some of your coworkers about it and they mentioned hearing sounds of chirps and snorts coming from one of the stalls on several occasions. It's Irritable Fowl Syndrome you're really suffering from, isn't it?"
Joe: "All right, I admit it! I can't stop playing Angry Birds!"
Boss: "Well lucky for you, you'll have plenty of time to chase those golden eggs during your unemployment!"
Irritable Fowl Syndrome by Nicholas D December 11, 2010

Irritable Baby Syndrome (IBS) 

When your baby is driving you crazy. Baby meaning new-born, infant, toddler and up.
My baby didn't sleep last night. So neither did I. Today, I have a serious case of "Irritable Baby Syndrome (IBS)." Stay away.

Irritable Ball Syndrome 

Blue balls make you angry, upset, agitated and irritable.

After getting aroused for a while and then not getting off is irritating.

If a girl is known for giving guys blue balls she can be labelled IBS.
Mitch "Yo, why are you sitting with your legs so wide apart and your belt undone?"

Corey "That tease Brandi gave me Irritable Ball Syndrome again."

Mitch "IBS, sucks to be you."
More from Urban Dictionary
The number of years you are still sexually active
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
sexspan by Dr Kat April 21, 2022
Word of the Day on October 28, 2026
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.
You didn't get any napkins with your takeout pork fried rice? Womp womp.
womp by 175623226 November 3, 2011
Word of the Day on October 27, 2026
When your wife’s boyfriend let you sleep past 8pm 😎😎
Wife’s boyfriend: You have 5 more minutes
Me: Poggers!
Poggers by Just_Charles April 14, 2020
Word of the Day on October 26, 2026

Oblication 

A vacation, feeling more like an obligation, that involves visiting or staying with family.
So Joe where are you taking the kids for spring break vacation? We are going on an oblication to Boca to visit my mother-in-law.
Oblication by kimmerr May 5, 2011
Word of the Day on October 25, 2026

Surf Dracula Syndrome 

A phenomenon in film/television series, most notably streaming series, where the main premise is drawn out to such a point that it takes an entire season or more to get the parts of the series the audience is actually interested in seeing.

For example, if a series is titled "Surf Dracula," a majority of viewers would tune in expecting to see Dracula surfing by the first or second episode. However, the entire first season would instead be tedious padding and backstory before finally ending with Dracula surfing in the last five minutes of the season finale.
I watched "Smallville" on Netflix the other day. Dude, it was ten seasons of filler before he finally flew! Major Surf Dracula Syndrome!
Word of the Day on October 24, 2026

Northstarring

Finding your way back to the truth by fixing on one verified fact and working out from there, the way you navigate by the North Star when everything around you is spinning.
Rumours were flying everywhere, so she went northstarring — one checked fact at a time.
Northstarring by Light Bearer October 22, 2026
Word of the Day on October 23, 2026
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