yacknut 

To involuntarily throw up while in the act of ejaculation, usually followed by intense sounds and smells.

"I was having sex with Kara the other night, she wanted anal. I was sexually confused so I yacknutted.

yacknut by JEBRONLAMES December 10, 2017

Yackbutt 

A specific way of slanting your body when you run to avoid period cramps or pains when long distance running

Sarah: why is Ella running like a Yackbutt???
Hazel: Oh, she has a cramp from girls on the run!
Sarah: Ohhh, allright.

Yackbutt by soyfishcaca December 29, 2020

yackout 

Inducing vomiting to avoid a situation.

I ran in to my ex at a party and had to yackout.

yackout by FarmHaus November 16, 2015

yaknuts 

Spilling alcoholic beverage(s) out of a kayak, due to extreme intoxication.

Billy was having a great time, until we went all yaknuts on our Blue Moon.

yaknuts by Nutty-yakker May 28, 2019

yacknation 

When one man is interested in another man, for friendship or that of a sexual nature.

As the young man stood forward and announced to all , 'Yacknation!'

yacknation by Bradheck March 22, 2017