When the human facial nerve realises that something has indeed landed on their face. Causing the motion of the face to move from side to side viciously.
Jitter Sauce is a mixture of whiskey, wine, and gin.
"Now if you'd like to be a Jitter Bug, first thing you do get yourself a jug; put whiskey, wine, and gin within, shake it all up and then begin. Get yourself a cup and start to toss, come on Jack you're drinking Jitter Sauce."
-Cab Calloway
A sports reporter's awkward, stammering reaction after a seemingly innocuous question is greeted with a completely unsolicited Bible-Thumping answer: see Erin Andrews' interview with Josh Hamilton at the 2009 MLB All-Star Game or any interview ever with Kurt Warner.
Susie Kolber: Kurt, I see that you are wearing new cleats tonight, any comment?
Kurt Warner: Without the grace of our risen Lord Jesus Christ there would be no cleatts, praise His name.
Susie Kolber: yes...umm...of course...uhhh...back to you Berman!