from mexican spanish "mole (food, sauce..not the animal) - smeller"...
adj. a person who can't stand seeing a frind flirting with a hottie and instinctively stands between both and pretends knowing the girl and starts flirting with her making you aside...
barx: dude! pablo is sucha huele moles!
maza: why's that?
barx: yesterday i was hitting on this girl and when he realized, he stand between us and told her that he had seen her at a party...but the girl didn't even know him!
maza: yep, that is pablo..