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An adjective that is the longer version of words jank or janky. The word typically means dumb, garbage, tasteless, or meaningless. In other cases, the word can mean awesome or cool.

It is rumored that the word is a poor English translation from Latin
1. The outfit you are wearing is terrible. You should buy a new sweater because what you're wearing jankilicious.
by Suckitnerd October 27, 2012