The act of watching porno trailers to get off because you are:
To young to have a credit card
To stupid to sign up to a porn site
One CHEAP muthafucka'
Mom: I think Jimmy is a Trailer Tugger.
Dad: Gasp I better buy that boy a nice porno
Mom: What if he is just bicurious?
Dad: Shut the hell up woman that boy is probably just one CHEAP muthafucka'
Mom: True dat, True dat.
College Kid #1: That nerd over there is such a trailer tugger.
College Kid #2: Yeah I bet he is still to young to have a credit card!
College Kid #1: True dat, True dat