by llcllollmllellollnll May 14, 2006

A bag (preferably brown paper bags) that you bring to a given place or event when you know you're gonna vomit.
Kennedi: if you're gonna yak, please don't do it on the seats of the car
Carly: don't worry I brought my yak sack!
Carly: don't worry I brought my yak sack!
by CHARLITTTTTTTTTTT September 15, 2017

a person who thinks he/her can drink with out yakking hince there head will BOBBLE and YAK will follow
mat : i can drink yall under the table ... cuz im bad ..
stef: shut up you bobble yak.
mat:(head bobbleing) yaaaaaaaak shut up man im yaking
stef: shut up you bobble yak.
mat:(head bobbleing) yaaaaaaaak shut up man im yaking
by non yakker February 23, 2010

by YakTrapPrincess March 16, 2009

Sending multiple messages, of a chatty/non important nature, via email or instant messenger accounts such as MSN, Palringo etc.
My husband works from home, running a website. However, most of his time is really just spent e-yakking to his mates.
by Vanessa - Diss, Norfolk October 20, 2008

by Sir Bouncealot September 13, 2005

by mattyatty July 18, 2005
