It's actually where you get a girl to swallow a load of semen, then you punch her really hard in the stomach and she throws up on ur dick.
Ya that bitch was suckin my dick so hard but she bit it, so i gave her a grumpkin...and she puked out her lunch.
by Joe May 13, 2005
Get the Grumpkinmug. After Intercourse seamen is placed on the females face, and then pubes are placed on top.
The grumpkin is the face your partner makes after the following.
The grumpkin is the face your partner makes after the following.
by Chase Magee April 28, 2005
Get the Grumpkinmug. The anonymous old man - most likely suffering from some form of dementia - who takes a shit in the sink of public restrooms
by Betty Wagaman October 15, 2006
Get the grossie grumpkinsmug.
Get the Grumpkinmug. by cuffnutt August 3, 2007
Get the Sankaty Grumpkinmug. by Smittywerbenyagerbenjenson April 26, 2008
Get the thumpy grumpkinmug. by Bradford, PA March 18, 2011
Get the reverse grumpkinmug.