gainbang 

A rad party full of delicious high protein food and a chill vibe.

"Hey man, want to throw down on a pizza?"

"No way, I'm making room for the gainbang!"

gainbang by Disco_Balls September 21, 2016

gainbang 

a party centered around huge portions of high protein, muscle building food

"Hey man, want to order a pizza?"

"No way, I'm saving room for the gainbang!"

gainbang by Disco_Balls September 13, 2016