Sexual arousal caused by sudden vibrations. Usually accompanied by ridiculous rings tones, need I say more?
Cindy: So then I was all like I'm going to shove my-
*Nigel's cellphone begins to ring in his pants pocket*
Cindy: Are you going to answer that?
Nigel: Answer what?
Cindy: Your phone, it's been ringing for a good 2 minutes....
Nigel: Oh, WOULD YOU LOOK AT THAT you're RIGHT! I TOTALLY wasn't even paying attention.
Cindy: Were you getting another one of those BLOODY Phoner's! Nigel I told you to keep your God Damn phone in your jacket pocket I can't believe your getting ONE-On at the dinner table with my parents right beside you.