adj. A living organism that smells of poo and rotten sewer water. The smell is so foul that you can catch a sickness from it.
Ex:
P1) "What is that repulsive foul smell?"
P2) "Oh, that is just a crusty dusty anus!"
59๐ 12๐
When an older (30+) cougar has been around the block and has STDs and never makes dudes wear condoms because she is unable to become pregnant.
Hey bro, that new pass around lady you brought around is pretty hot but man she got some crusty ovaries.
36๐ 6๐
after one has taken a dump, sometimes they dont wipe their anus properly which may lead to leftover dried shit crusting around the ring of the anus.
man i tried to lick her ass, but she had a crusty anus, she needs to clean it better!
48๐ 9๐
when ur ass is hairy, sweaty, and moldy and has acne from cheek to cheek.
hey crusty crack! wash ur ass!
26๐ 4๐
When you nut all over your stomach, and to sleep without cleaning up, waking up with dried jizz in your stomach
I woke up this morning with a crusty stomach, i couldnt be bothered cleaning up last noght
13๐ 1๐
When you haven't jacked off in a month or two.
The man screamed in agonizing pain as the crusty cream exited.
12๐ 1๐
When one takes a shit and doesn't clean themselves, it dries, and another then has anal sex with the dry, dirty, poop butt.
"After drinking and chinese food last night, we got back to my place and (i didn't have and toilet paper) we started getting freaky, needless to say i got the crusty muffler."