When you're having sex with a woman and you put a clown horn butt plug into her butt so it honks with the rhythm as you have sex.
An act with a ranga that also looks like a giraffe whereby the rangaraffe reveals their genitalia to you in the middle of a poker game, causing you to immediately fold and leave the table in disgust.
How did you go at poker? I lost, he pull the Rusty Advantage
Shit man I'm broke, all I have is this rusty dollar in my pocket.
To be used for taking the worst of all dumps. The kind of discharge that is so toxic it is the most brutal metal dump of all time. Every time. So metal that the act of getting rid of such corroded metal waste could only be: to bust a rusty.
"What the hell did you do in my bathroom? It smells like you were burning trash and old batteries in here!"
"I should have warned you. I had to bust a rusty."
I stopped to use the bathroom at the gas station near my house because I had to bust a rusty.
The act of placing a Smirnoff Ice in one’s anus, removing said Ice, then lunging to one knee and chugging the Ice.
Jesse had to Rusty Smirnoff Jessica after Christopher inappropriately caught Jesse off guard with a an icing worthy of rustiness.
When a male bends his own penis around and inserts it in his anus
Tim why don't you go give your self a rusty rainbow
Having sex up the arse during the effects of food poisoning from a hot curry.
Bryan took the opportunity slip one up her arse while she was suffering from fiery vindaloo shits. The result…. a Rusty Demon