Top definition

1. A phrase which is used to state that you are leaving in a hurry.
2. A sort of mocking of the victory you just attained over another.
Yo guys this party is bunk I'm gonna peace. Illcya!

Whilst playing video games:
Guy 1: Goddamnit who killed me?!
Guy 2: Illcya!
by Turbosauce April 22, 2009
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