Webster's Collaborative New Word Dictionary - G
garrick (n.): the leerfish, Lichia amia (family Carangidae).
gig worker (n.): a person who works temporary jobs typically in the service sector as an independent contractor or freelancer.
Gist (v.): transitive. To reduce (a text, document, etc.) to its essence or gist; to condense, summarize, or précis.
glatt kosher (adj.): designating food prepared according to a strict interpretation of Jewish dietary law; of or relating to such food; strictly kosher.
gypsy's (n.): an act of urination; = piss.