Havin' One 

This is a shortened expression of "having a time" -- So, the act of experiencing any situation--in any context-- mildly or intensely, good or bad.

"Hey, how's it going over there?"

"I'm havin' one."

"See that guy over there, passed out with his sunglasses on and a beer in his hand?"

"Oh yeah. He's definitely havin' one."

"I can't talk right now because shit totally just hit the fan, I'll call you when I'm not havin' one."

"This bar is a little weird, and these people are creeping me out... but I'm still havin' one."

Havin' One by Lo Mayne June 6, 2019

havin a good one 

1. The opposite of not havin a good one. 2. Not something you can just buy in a store, unless its a fuckin good one. 3. guy bro dude man bud GOODIE

ADJ. (Goodie) Hey there buddy, looks like your havin a good one? 4. A common phrase used when describing the life of a few select people. And finally....haaaaave a good one

havin a good one by goodie3shoes April 20, 2011

having one off the wrist 

Another way of saying I'm going to masterbate

I put a lock on your door so your mum can't catch you having one off the wrist

having one off the wrist by Wanglerz July 23, 2017

having one's ear on one's face 

a nice synonym used for conservative boxheads, derived from the fact that conservative people think a rainbow on one's ear would ruin one's face

- omg have you heard that Bob opposes same sex marriage?
- are you serious? i thought having one's ear on one's face was already out of fashion..
- nah, he and Cynthia still totally have their ears on their faces

having one's ear on one's face by Nomdi February 3, 2019

Having a one-night stand with a loser 

Doing it like they do it on discovery channel with a loser you just met in the night-life.

Jenny enden up having a one-night stand with a loser

Jessica was so drunk she ended up having sex with a geek that night.

Sarah did it with a loser she just met.

Having a one-night stand with a loser by Greenlander May 20, 2012

having a normal one

Having a public meltdown on the internet, usually on Twitter.

Jonathan K. Businessman, having a normal one, released a string of dozens of tweets today repeatedly denying that he was was a furry, was involved in securities fraud, or was in any addicted to tentacle porn. The tweets, phrased in Elizabethan English, compared the S.E.C. to the Horned King, a character from the Disney movie "The Black Cauldron."

having a normal one by the birds and trees December 22, 2018

Having a mellow one 

Avoiding exposure to anything other than:
a. Cannabis
b. Pimp my ride
c. Playing guitar
d. Listening to incubus

"You out to night brains?" "nah think i'll have a mellow one"

Having a mellow one by TSC - Eric April 12, 2005