Guak: adjective. Can be used in place of many other adjectives. Depending on the context of the sentence it has several different meanings, but it is almost always a negative connotation. It can describe a person, place, thing, concept, idea, belief, etc. It is usually used in place of: wack, silly, ugly, dumb, uninteresting, stupid.
1. "He is so guak."
This could be implying many things: He is wack, unattractive, doing too much, has a bunk personally, boring, etc.

2. "That purse is so guak."
Stating that the purse is ugly in some kind of fashion.

3. "You are so guak" (When referring to a friend)
Usually to replace stupid or silly, like when your friend cracks a joke, or something of the sort.
by Michelle Denise Kramer February 26, 2008
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money or cash; just another way of saying "paper"
Counting my guak, all in a days work
by Mandygirl October 27, 2005
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guak is an acronym for " give us another kiss "
I was lying in my bed attempting to go to sleep. Outside in the street I heard a young couple talking. I heard the guy say " guak "
by St. Ias October 29, 2005
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a guy who talks to many girls in a flirtatious mannor at once.
Person 1: that guy is such a fucking guake. stop talking to him please or you will get preggers...and die

Person 2: no he isnt! he loves me and i love him too

three years later....person one is pregnant with his baby along with two other girls
by jesslovesmomo September 26, 2010
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The act of giving your partner sloppy head (sucking duck). This is the sound one so mouth will make when giving head with a generous amount of saliva and slurping.
The word “guak” is derived from guacamole , the word used to signify that you want head without others knowing.
I gave my boyfriend that 1, 2 Guak Guak combo.

Girlfriend: do you want guacamole on the way home today?
Boyfriend: yea we can get some before we go to the store.
by Jrue Holiday September 23, 2019
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guak is an acronym for " girl u already know "
Tiffiny asked if it snows tonight, Snephanie replied, "guak"
Tiffiny asked if it snows tonight, Snephanie replied, "guak"
by snephanie July 05, 2021
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