You are getting a blowjob and just before you explode, you tell your partner to smile then you unload your cum all over their teeth!
by Buttsacola July 30, 2010
 Get the CRESTmug.
Get the CRESTmug. when a man ejeculates on a person without knowing and becomes hard on their clothing and makes it look like a crusty substance.
by xRICKx September 27, 2010
 Get the Crestmug.
Get the Crestmug. verb
The act of putting a dollop of toothpaste on the tip of the penis and brushing another's teeth with the penis, as though it were a toothbrush.
The act of putting a dollop of toothpaste on the tip of the penis and brushing another's teeth with the penis, as though it were a toothbrush.
by Sidney-the-kidney April 29, 2012
 Get the crestingmug.
Get the crestingmug. by BLUEFACE January 12, 2008
 Get the crestmug.
Get the crestmug. by +♥♥♥+Crest+♥♥♥+ November 10, 2010
 Get the Crestmug.
Get the Crestmug. Tickling your lover's gooch with a long feather, specifically an ostrich feather, but other feathers will do.
Sue loves it when Tom crests her; she likes the peacock feather the most.
A-cresting I will go, a-cresting I will go, hi ho the dairy-o a-cresting I will go.
A-cresting I will go, a-cresting I will go, hi ho the dairy-o a-cresting I will go.
by reallygrey February 18, 2008
 Get the crestingmug.
Get the crestingmug. by jkushington December 8, 2012
 Get the crestingmug.
Get the crestingmug.