a party/social event full to the brim with premium gash
not being able to pull at a gashfest takes an impressive degree of retardation
also known as: a POON-A-PALOOZA
1: "man that party last night was an absolute gashfest!"
2: "i know man, so much hot poon! you got laid yeah?"
1: "err .. nah actually"
2: "how did you not?!?!?! .... are you actually a retard?"