by FaShizzle March 06, 2004

by GurnMon October 10, 2005

Mom: Son, you have another phone call. Do you want me too tell them your eating diner?
Son: Yeah just tell them I'm mastacating! They'll deffinatley stop calling
Son: Yeah just tell them I'm mastacating! They'll deffinatley stop calling
by Nicole Morrow September 25, 2005

An act of masturbating. Usually is said as if you were playing the penis game. A reatarded word made up by retarded people.
In a classroom: oh my god robert stop mastacating!!
In a crowded elevator with a friend: masatacate!! MASTACATE!!!
In a crowded elevator with a friend: masatacate!! MASTACATE!!!
by ya im jewish October 08, 2005
