Grabnwank 

The simplest method for male masturbation using one hand and no other tools or assistance.

Men simply use the grabnwank method

Grabnwank by 2187_Alliance June 16, 2021

Grabnak 

Another word for a woman's privates AKA her vagina.

"Damn man I totally put it in that skanks nasty ass grabnak last night!"

Grabnak by McSchoolio February 27, 2005