something meant to obfuscate or conceal the truth
This is the most half-baked cover up I've ever seen.
by The Return of Light Joker September 08, 2009
When a male uses a shirt that is 1 to 3 sizes too big for the purpose of covering up his boxer shorts and/or the fact that he is sagging.
If you use the cover-up, you won't get yelled at by a teacher for sagging.
by southparkrox September 18, 2009
Oral sex in the postion to where if the testicles were to meet the face they would be meeting the nose and not the chin.
"Dude, last night I gave Brandee a cover up and she choked for like 10 seonds before I realized it."
by Danny August 05, 2004