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jackathon 

A long period of male masturbation generally watching porno films. Sometimes the man will squirt his load on a models picture.
Today I think I will have a Jackathon as I have a big load to shot on her face.
jackathon by blowmenow February 5, 2008

Jackathon 

When you masturbate so much with a smart watch on and it says you ran a marathon.
“I jacked off so much during Dick destroying December my watch says I ran a marathon. A real jackathon was completed.”
Jackathon by MaBrain September 14, 2018

Jackathon 

Where you see how much you can jack off in one day before you can't get an erection anymore.
Hey Ryan wanna do a jackathon?
Me: Fuck yea, I'll be sure to stay stiff the whole time
Jackathon by ItsMaybeEthernet March 27, 2015

Jawnathon 

When one would like to get serious with their jawn.
My jawn is acting up today. When I get home I'm laying down the law. "Jawnathon get your shit together".

"Jawnathon, you loser! Crack and cocaine are not the same!"
Jawnathon by ugly sacks June 12, 2018

Jackatorium 

Any room used to rub one out, or masturbate.
For example, a bedroom with a sports illustrated swimsuit edition, is a fine room to convert to a jackatorium, temporarily.
Or you could convert your moms living room, to a jackatorium while watching Friends on TV.
Or, say you are researching anatomy on the internet, on your dads computer, well then, his office just became a jackatorium, didn't it?
Jackatorium by Shwagg March 18, 2007

jackathan 

the hottest sexiest hottest man
"jackathan🤤🤤🤤🤤"
jackathan by ztaine August 3, 2023
More from Urban Dictionary

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
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