Mike Clark liked to laugh at pictures of men modeling nude. If they had a small penis and a hairy scrotum, he would say that their package looked like a " MOUSE ON A HAYSTACK ".
by Lee Thargic November 7, 2019

Where ones tampon string hangs openly out of ones swimsuit. Typically happens at a pool during day drinking sessions. Also referred to to as a dynamite stick.
by Uncle bb August 12, 2012

by Anna Loves Modest Mouse May 9, 2005

by Ken629 September 3, 2019

by Fish Sandwich March 29, 2003

An neck beard that lives in a secret base in Poland creating a block fish game and trying to turn us into whales
by KrabzAga February 8, 2020

Akin to that of a "Phone Five" whereby when talking on a mobile phone you yell "PHONE FIVE!" and each caller slaps their phone to simulate a 'High Five' without being near one another.
A mouse five takes place on computer instant messaging after something of great excitement or accomplishment have been achieved.
Both Parties raise their Mouse and slap it!
A mouse five takes place on computer instant messaging after something of great excitement or accomplishment have been achieved.
Both Parties raise their Mouse and slap it!
by JonnyBGoodwin October 1, 2010
