1 definition by sidaraP

one who makes horse noises when lifting weight; also another word for taking a dump.
1. i just gainered my pants.
2. i need to go take a big 'ol gainer.
by sidaraP February 24, 2008

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×