Gainer hater

A person who sneers at the gym and those who attend it.

Man 1: I've just been for a massive gym session so I need some protein.
Man 2: *rolls eyes* you are so sad.
Man 1: you're such a gainer hater

by BruceyB28 September 16, 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!"

by Disco_Balls September 13, 2016

Gains-low

Person who makes no gains in the gym.

Ainsley is gains-low

by Bitsman1 December 2, 2016

Gainussing

To insert the barrel of a firearm into one's anus in an attempt to expand the anus for introduction of foreign objects.

My girlfriend is gainussing so that we can try putting a bowling ball in her anus.

by angrysuperhawk January 16, 2017

Gainful

inactive fuck

ayo dont be a Gainful

by RandomNameDontMindMe February 12, 2017

Gaintomous

Something that's huge and giant but not larger than Godzilla

Holy shit bro, that girls as is so gaintomous

by Sarah's Tube Socks September 4, 2017

Gainzz

NIGEL

THE ONLY THING U NEED IN LIFE IS GAINZZ (NIGEL)

by Hydethehyena October 22, 2017