The runny liquid substance that comes out of the mustard bottle before the actual mustard if you don't shake it well before use.
by treflip666 November 8, 2006

Person 1: "Dude my hotdog bun is ruined!"
Person 2: "why?"
Person 1: "Because, I forgot to shake up the mustard bottle and now my all-American-snack is completely soaked in musquirt!"........."Ewwwwwwwwwey!"
Person 2: "why?"
Person 1: "Because, I forgot to shake up the mustard bottle and now my all-American-snack is completely soaked in musquirt!"........."Ewwwwwwwwwey!"
by Stevenoni January 21, 2008

"Damn, a musquirt! Soggy buns again!"
by V. E. Reyes September 21, 2008

by philbad July 9, 2004
