by Pozzum69 December 19, 2011

A comment usually left by someone indicating "bullshit" to a story deemed likely made up. Is usually a reply to an online message board like Reddit, or on Youtube comments.
Jussie Smollett: "I was attacked by a lynch mob!"
Suspicious person #3,655,023: "What's that smell?"
Suspicious person's friend: "Oh you think he's bullshitting?"
Suspicious person #3,655,023: "What's that smell?"
Suspicious person's friend: "Oh you think he's bullshitting?"
by MD B123 May 27, 2020

a theory that says that men subconsciously know when women are sexually active because of pheromones.
but there was still the ''smell theory''. That's what us girls put it down to, that must men subconsciously know when you are sexually active, because they just start to come out of the woodwork.
by anchy_nicka January 11, 2008

-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.
-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."
"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 October 8, 2007

by vinnycent November 8, 2008


An expression, like "licks balls" used to describe something really bad, something really stupid, something that would generally lick balls, but is much worse.
by Ric & Roy August 4, 2005
