messy hookups in a gross place, an example being a public bathroom
"all the holy child girls yack in the shack with gonzaga guys during football games"
by tea lover ;)) January 26, 2017
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The act of pushing past sports related adversity to the point of vomiting.
Did you just see Sean Yack and Rally at conditioning last week? He just threw up on the court and kept playing!"
by BakHa aaaaaasdfaaaa May 29, 2018
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When you’re at a dead Motive, and you and your mate want Alcohol quickly. So one or two of you quickly dash in the Whip or on foot to the nearest Shop and Buy Yack (Alcohol)
“Yo bro i beg you do a yack run quick time, get a of couple Maggies and a Big Bottle Wrays”
by Massi88 August 26, 2021
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n. 1) A person whose tendency is to talk non-stop for about half of his/her working day about things that have nothing to do with their job and everything to do about their personal lives.
Characteristics:
- Usually laughs at anything and everything that involves him/her.
- Usually a prototypical jackass, one who reports a laundry list of problems but has absolutely no solutions.
- Obese
- Kiss-ass
1)The group was extremely productive until Cap'n Yack made his way into the meeting. I never knew you could find out 5 different ways your wife can cheat on you in a utilities meeting.

2) I couldn't get anything done today because fat ass Cap'n Yack was holding court in his office. 4 people were sitting in his office talking non-stop, it was a Yack Fest!
by dd0022 March 2, 2005
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1. Fat ass
2. Constantly talks in a work environment about subject material having nothing to do with work and everything to do about their personal lives.
3. Usually has thick coat of brown on their nose from undisclosed origins.
The meeting was very productive until Cap'n Yack arrived. Didn't know you could find so much out about how to be a loser... and he was only there for 30 minutes!
by dd0022 March 4, 2005
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