When you've ejaculated to the same porn so many times that even though it still excites you theres no more love to give.
by CallmeDeth November 5, 2020

When you are a very crusty kid and you take a shower and get left out. Now you have rust in your crust.
Person one: Your crusty you should take a shower.
Crusty kid: yeah I should. After i'm going to play outside!
*later*
Crusty kid: Oh no now I have rust in my crust because I was out too long!
Person: Yikes! You should pour coke on that.
Crusty kid: yeah I should. After i'm going to play outside!
*later*
Crusty kid: Oh no now I have rust in my crust because I was out too long!
Person: Yikes! You should pour coke on that.
by ijgfiu davhaj February 25, 2019

When you ejaculate in large volumes on a face, and after it dries, its peeled off in the shape of the person's face, effectively making a sperm mask.
by Rhinoceruss May 1, 2022

Girl... you gotta take a shower first! You got some Boston Rust Crust around your chocolate starfish from last night!
by RichTheRedn3ck August 13, 2024

when you beat someone on for honour but you've already had a week ban from psn and don't want to call them a cunt so you respond to their hate with 'your are rust bykle pump' just to let em know.
by The Rush-in Recruit April 15, 2019

Man 1: “How was sex with your girlfriend’s mom bro?”
Man 2: “Dude, she hasn’t had sex I’m so long she had Coochie Rust.”
Man 2: “Dude, she hasn’t had sex I’m so long she had Coochie Rust.”
by Pipedbag February 24, 2024
