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1.
to projectile vomit through your nose while covering your mouth.
I better slow down...I don't want to covel tomorrow on my boss!
by army104 August 30, 2008
 
2.
To fall off a bike and roll down a hill injuring oneself quite badly
Have you seen john?
Nah he did a Covel init.
Sh1T !!!! is he ok?
by sidey October 14, 2009