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4.
Adjective used to decribe old people,a gross unidentified substance, anything broken, dirty, crumby, badly made/conceived, falling apart, stupid, wierd, gross, this word can be used very freely as it goes with anything that may have to do with the word crust but it never describes anything good.
1: that old man keeps staring at me
2: eww look how crusty he is

-or-

1: i just got this from the dollar store and the lid wont close on it
2: here let me try... damn its not working it sooo crusty
1:that whole dollar store is crusty

-or-

1:Mr Tawil thinks he can teach us history by giving us a whole bunch of crosswords, he is such a crust.
2:Yea, he smell like weed, cigarettes and bagels, he is such a crusty old man.

-or-
1:ew look at the crust under this desk
2: that's gum , you dumbass
by Naomiiiiii January 16, 2007
297 220
 
57.
someone who played one year of freshman basketball, then stopped playing and even though he sucked, his presence was missed; someone who throws sissy punches
Joe: you're a crusty butt-fuck
John: shut up *punch*
by the master of words May 17, 2006
1 9
 
58.
To place a bare ass, in an unsuspecting persons face and farting.
Dat splatter on T-bones face is from a crusty, Dogg!
Fo shizzel my nizzel krizzle drizzle!
by Bang'n September 13, 2005
88 96
 
59.
something or someone that is cool, hip, etc.
Angel is one crusty vato!
by Alaab April 13, 2008
7 17
 
60.
a guy who is crusty. someone who is dirty looking, someone that you would not talk to.
"unh uhh girl that boy is crusty. i just wanna hit him with some body spray."
by litwiinka December 28, 2007
4 14
 
61.
the gunk that forms in the corners of your lips after drinking a bottle of gatorade
No one said anything, so Billy played the whole game with red crusties on his face
by footballfiend5 February 07, 2009
4 16
 
62.
When an arsehole is not correctly wiped and after a few hours the left over excrement goes dry and crusty, thus leavin crusties attached to bum hair.(note after exercise sweat may cause these to dissolve and let off an unpleasant smell)
He was in a rush and did not wipe his ass properly, after his nightly training he realised a real bad smell was comin from his rear end. and thn said to his friends "oh shit i hav crusties"
by fritz69 May 14, 2007
15 30
 
63.
crust·y
–adjective, crust·i·er, crust·i·est.

1. In urban context, crusty may refer to someone being uncool or unpleasant.

2. Being an asshole or total dick.

3. Someone who is horribly disfigured.
"Aw, Jenny was being really fucking crusty today!"

"Dude, don't be crusty."

"Crust it down a notch!"
by Kyle Olar March 26, 2007
14 31