Top Definition
An adjective describing something that is so nasty, one adjective isn't enough.

Synonyms: Sicknasty
"You, dude! Did you see that guy get his arm chewed off in a saw?"
"Yeah. That was pretty sick."
"Did you hear that that slut Amy has herpes?"
"Yucknasty, bro."
by Yucknastybrah February 22, 2013

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