1 definition by vero k.

When someone shows up to a party and drinks more than he/she can handle.

Not knowing their limits, they end up puking on your lawn or in your bathroom; possibly for a prolonged period of time.
Katy: Did you see Sam last night? He thought he could down 5 shots of whisky and then turned into a total yakmeister. He was puking all over the lawn!

Steph: What a loser.

------

Jagermeister to yakmeister.
by vero k. July 25, 2009
Get the Yakmeister mug.