A masturbating machine, who can supposedly go for days; someone who tends to masturbate more than usual.
I found that rock hard towel under your bed, you must be a faptimus prime.
by ErinIsTheGawdOfMunchingCooge February 06, 2010
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.×