Top Definition
The effect of masturbation and/or not showering over long periods of time resulting in lint build up on the testicles.
Combonation of scrotum and dust.
One day I experienced itching near my balls and I noticed Scrust on my genitals
by Awesomeblackman June 29, 2010
1 more definition
6 Words related to Scrust
1.) (n.) The dried film left on your "parts" the morning after if you don't clean up after yourself.
2.) (n.) Sex crust.

(adj.) Scrusty
1.) He was too drunk to remember what happened last night but the scrust on his dick told him he must have had fun.

2.) When he woke up, his dick was glued to his thigh with scrust.
by Darnell Woody January 21, 2010

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