cari istilah yang lo mau, kaya' fleek:
 
1.
A movie in tropic thunder, in which ben stiller goes full retard hence simple jack.
Save Simple Jack. Save the retards

"Once upon a time ... there was a retard."

"You went full retard, man" Robert Downey Jr.
dari P&W Selasa, 19 Agustus 2008
 
2.
A simpleton, fool, full retard, or idiot. Origin: "Tropic Thunder" movie by Ben Stiller.
"Don't mind that boy and his foolish mistakes. He can't help it; he's just a Simple Jack."
dari Dan82087 Jum'at, 15 Agustus 2008
 
3.
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...
dari D_4_Less Selasa, 18 Agustus 2009