v. The act of deficating in ones hand (or using feces from acquired from anywhere) and using the feces as lubrication to masturbate.
I mud jacked in the shower last night.
by smangz March 07, 2011
1 more definition
To shit one's pants, grab a handful of feces from the dirtied pants and throw it at someone.
She tried to introduce me to her new boyfriend so I mudjacked the bitch and bailed through the kitchen.
by Pepe Lopez April 14, 2005