To describe something as completely useless. Derived from the fact that nuns do not have children, nor do they have sex, both of which are the main functions of breasts.
by biffboy April 9, 2009
Get the Nuns Titsmug. When lesbians exchange sexual favors; also performed by straight women unsatisfied by their male partners.
Elaine: Gee, Ricky doesn't really like to go down on me.
Lisa: Oh, it repels Bob as well! I just don't get it...
Elaine: Tit for twat?
Lisa: Done.
Lisa: Oh, it repels Bob as well! I just don't get it...
Elaine: Tit for twat?
Lisa: Done.
by Nicnoc June 18, 2011
Get the tit for twatmug. by Hay Jude August 22, 2015
Get the McVittie Titsmug. When one or both of the female's breasts are feeling under the weather, thus resulting in violent projectile regurgitation via the nipple hole.
"Excuse me teacher... Can I please go to the bathroom? I think I have sick tits."
"Hey, why is her shirt all wet?"
"Oh, she has sick tits."
"Hey, why is her shirt all wet?"
"Oh, she has sick tits."
by Narrated by Morgan Freeman January 20, 2015
Get the sick titsmug. an expression used during an event of important significance. Also used when exasperated. As well as in the case of what you had previously expected to take place does not. Exclaimation during a sudden realization.
oh tits!
Walking through a large crowded area
Person A - There's no way we'll make it through this...
Person B - Come on, follow me
Person A - Oh Tits! *Follows Person B*
Walking through a large crowded area
Person A - There's no way we'll make it through this...
Person B - Come on, follow me
Person A - Oh Tits! *Follows Person B*
by roflstomper November 3, 2007
Get the oh tits!mug. by Crisco Steve December 5, 2007
Get the Tit Rugmug. by B.S. Insurgent September 6, 2006
Get the pendulum titsmug.