A throwing watch is a watch that is cheap and good for nothing. It is assumed that the watch will return after it has been thrown, when in reality that would be a boomerang- not a wrist watch.
Peter please hold onto and take care of my vintage watch, it is NOT a throwing watch.
When one is flirting with someone at an obnoxious level. This is usually not noticed by the person flirting, but is clearly noticed by everyone else.
The word "her," while most commonly used in any situation, can be replaced by the likes of "your", "its", and "his". It can also be referred to as "Throwing Panties."
AJ: Do you think Annie likes Nick?
Corrine: Duh! She was basically throwing her panties at him the whole day!
Kathy Griffin: So my mom starts throwing her panties at Don Rickles and totally snubs the fact that I'm there!
Throwing a fit, being over-excited, losing self-control.
While listening to a fetus heart which beats at a much faster rate, one would say, "you are probably matching that heartbeat, throwing a jeb like that. Calm down, everything is alright."