(v.) 1. to call into question another's fidelity 2. an investigative method using the olfactory system to determine if a boyfriend has been with another woman
Girlfriend: "Where you been? You know what time it is, fool?"
Boyfriend: "Chill, I was out with the fellas!"
Girlfriend: "Ah-uh, fool! You were out with bitches, weren't you? Let me smell yo dick!"