by am March 10, 2004

by AAMCI September 19, 2005

Were you the guy in front of me last night after work doing 15 in a 45?!?
Yeah.
You were totally getting your buick on, a**hole.
Yeah.
You were totally getting your buick on, a**hole.
by ZiiMan September 16, 2007

The act of grunching for a sustained period of time. Self fistation, a period of masturbation through the act of fisting yourself in the arse with resultant fecal leakage, and possible blood loss.
Doctor: What seems to be the problem here Nurse?
Nurse: Im afraid its another case of blood loss
Doctor: To get your grunch on you have to be more careful
Nurse: Im afraid its another case of blood loss
Doctor: To get your grunch on you have to be more careful
by The real Tyler James October 17, 2008

An expression guys tell to other guys that relates to getting inside or seducing a female.
In this scenario, the nutshell is the female, and inside the nutshell lies the nut. As gentlemen, it is our duty to get the nut.
In this scenario, the nutshell is the female, and inside the nutshell lies the nut. As gentlemen, it is our duty to get the nut.
by TheCheeser November 1, 2011

by USAF Cadet August 13, 2021

'Ben well got his pump on last night!'
'I was getting my pump on and my room mate walked in'
'You were well getting your pump on!'
'I was getting my pump on and my room mate walked in'
'You were well getting your pump on!'
by Rachcook182 October 13, 2007
