The act of expelling gas from ones anus directly into anothers anus, for the purpose of erotic pleasure.
Tomorrow at this time I will be gishing the hell out of that guy.

He is totally gishable.

I got gished so hard last night I think I blew an O-ring!

Hey man, wanna gish?

I could go for a nice gishing right now.

Screw enimas gishing is where its at.
by Mike Ginsbach April 09, 2010
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