ninja chirpse
Chirpse so subtle, but effective, that the other person doesn't realise until it's too late
Guy 1: Dude I totally scored with that girl last night!
Guy 2: Really? She didn't seem that into you...
Guy 1: It was a classic ninja chirpse
Guy 2: Really? She didn't seem that into you...
Guy 1: It was a classic ninja chirpse