A trashy whiteXanaxfiend. Typically depends on Xanax for all day to day activities. Over time a “rustbucket” slowly undergoes mental retardation as a result of his addictions. Also see: bartard
An older-model car that has not been maintained well,once used to describe late 50s-early 70s cars with tailfins but now can also be applied to 80s cars.Rustbuckets typically belong to people who,though they often have the means to get a newer car,are holding onto the past with both hands(see Dead Elvis).The back of a rustbucket tends to drag the ground,the exhaust pipes belch black fog,the seats spill stuffing and the air conditioner seldom works.
"Get a load of that old rustbucket,it hansn't seen a fresh coat of paint since Nixon was Prez!"
A sex move that involves taking an exhaust pipe from a 1989 Nissan truck, particularly with a lot of rust on it, inserting it into your partner's asshole, and pouring antifreeze through the pipe into the person's asshole.
Guy 1: I'm gonna get laid by this country girl obsessed with automotive vehicles tonight.
Guy 2: Nice one! You should give her the good ol' rustbucket thunderfuck.