What is the meaning of Gak?

Alternative form of gack (expression of disgust or disapproval)

Alternative form of gack (expression of trepidation)

Alternative form of gack (crystal meth)

Alternative form of gack (powder cocaine)

boar (male pig)

you (singular)

cow

dry

thin

boundary

the spiny bitter gourd (Momordica cochinchinensis)

bats, nuts

madness, insanity (see Thesaurus:insanity)

imperative of

Alternative form of enggak

Alternative form of juga.

The sound that a crow makes.

Source: wiktionary.org