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1:

To not pull off a retarded impersonation.

2:

To look retarded trying to 'look retarded'
Dude 1: Hey, did you see that guy's retarded impersonation? I totally was not impressed.....

Dude 2: Yeah.. he was going full retard..

Dude 1: ......Simple Jack status...
by D_4_Less August 18, 2009
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2
Used as an adverb for stupidity. Taken from tropic thunders "full retard" scene
That girl was just dumb, she was simple Jack dumb.
by I don't care any more April 10, 2017
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