Top Definition
A term for anyone that you wish to avoid and ignore, as if they did not exist.

usually follows the phrase "o shit"
as in "o shit........Jaeckle ALERT!!!"
1) Me: hey austin i jsut saw ur ex in the hall.
Austin: O shit, its Jaeckle alert

2) *as austin's ex walks by*
Austin: o shit...Jaeckle alert!!!!
by MoGaNAM December 23, 2008
7 Words related to Jaeckle Alert

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