n. Poop. Usu. used with the phrase "pop a grimper"
After those seven layer burritos, I had to pop a serious grimper.
by Joe May 07, 2005
One who bites the buttons from upholstered chairs etc. by using the cheeks of their butt.
The upholstery buttons on the sofa were removed by a grimper.
by wilkanton July 02, 2009