The risky act of smelling a pair of your underwear to ascertain if they are clean or not before wearing them. CAUTION: Should only be attempted in the absence of visual indicators. Example: I asked my wife if the BVDs on top of the Cuisinart were clean and she said, No idea, shmelldrawer.
SHMELLDRAWER
Meaning of SHMELLDRAWER in English
Slang English vocab. Английский сленговый словарь. 2012