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1.
Short for "Decelerate", to slow down.
You need to hit the brakes and decel.
by 5'11"Racer September 27, 2006

Words related to decel

cars declerate down slow speed
 
2.
(adj.) - When someone or something is just extremely awesome.
1. Person 1- "Hey do you know that totally awesome kid named Nick Carbone?"
Person 2- "Why yes, he's decel...in fact, he's the decelest person I know!"
by Nick Carbone February 22, 2005