A sexual move where one partner kneels behind the other partner and reaches through the legs to sexually stimulate the other person, with the arm pressed agaisnt the buttocks, betwixt the cheeks.
by Christian Zubia March 8, 2018
When A girl cups her hands and you then proceed to shit in her hands. Then she rubs in up and down her fore arm and proceeds to give you a hand job!
Man yesterday I craped in my girl friend's hand then she rubed it on her arm... and jacked me off "dirty arm strong"
by A_Detox_delight! August 20, 2009