the act of smelling your clothing after you have been in a closed area that has a lingering odor such as piss or weed
Guy 1: man im so stoned... i hope my parents wont notice...

Guy 2: yea, just do a smell check...
by De¢entChiKid December 3, 2010
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-Having enough suspicion of a situation or event to the point where you have to investigate further to see if it was wrong or bogus (or BS).

-Hearing what seems like bullshit, and checking it out further.
"Tom said he couldn't come in today because he had an appointment."
"Hmm, that's funny. He didn't mention anything to me. When he gets back, I want to see his appointment slip to smell check his story."
by awj_woody September 24, 2007
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