Armpit fetish Share definition Flag A type of fetish where a person get turned on by smelling his sweaty smelly armpit. Person:*snif snif*Mmm yeah.^ a person with armpit fetish. Armpit fetish by dumdomidomdomdom July 11, 2009 0 0 Get merch Get the Armpit fetish mug. Buy Now — $32.95 See more merch