by Chrisopher Gonzalez November 9, 2007

by The Inc May 11, 2006

to entertain the advances of an unattractive, beastly woman, usually at a bar or club. Often influenced by the later hours of the night when beer goggles are in full effect. Also usually followed by a buddy coming in to save you by whatever means necessary. The phrase is rooted in a popular national Beef Jerky commercial.
"Look at Brent over there at the bar! He's messin with sasquatch! somebody go save him!"
OR
"Dude, who was that hideous girl you were talking to last night?"
"I don't know man, whenever I drink to much I always end up messin' with sasquatch"
OR
"Dude, who was that hideous girl you were talking to last night?"
"I don't know man, whenever I drink to much I always end up messin' with sasquatch"
by DeePeezy December 12, 2007

by Yetti Master September 13, 2009

by Max Biggins May 3, 2006

Hey bro sorry about your grandma
Don't worry she got her dying wish
Really? What was it
Doing the old London sasquatch on her
Don't worry she got her dying wish
Really? What was it
Doing the old London sasquatch on her
by Barkleyman05 March 31, 2016

Think of the fattest, most hairy lady you know and bam her pussy is as hairy as Sasquatch's testicles.
by Jeffy jeffy :) November 5, 2019
