A thirsty boy who has participated in a loving wank with his right hand resulting in a sticky mess which is then not washed off for at least 2 days
That girl made him crusty, he be crusting over her all night long
by Lady red January 6, 2014
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A word to describe someone who is ratchet, grody, annoying or just gross. Peaches is the CEO of crusty.
Leshawna: Aye play Just Dance with me, hoe!
Harold: No.

Leshawna: FINE. You and your crusty ass can leave.
by total drama fan 101 May 17, 2020
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Upper/middle class people who care protest bout climate change, play the bongos, wear beeny hats, have dreadlocks and do marijuana in their poxy, stinky, ratty aul, manky aul vans while living off daddy's money.
1.Shupp you ye rotten aul crusty

2.Imma float climate change protest and bash in a few crusties, floatin?

3. South Dublin? Jaysus stay away pal, crusty Central out der
by Ermahgerd356 January 23, 2020
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Somebody who is stank , funnnkyy or some bullshit.
Tia you crusty ash I swear
by Trey006 January 6, 2022
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something that is old, boring or outdated.
tia: Do you wanna go to the library
Leah: No that's major crusty
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