It would depend on the context in which it is used but I would assume it means to have sex. With a hand gernade once you have "pulled the pin" you are commited to the act.
Pull Out the Pin was created in 1982.
Pull the Pin was created on 2007-10-12.
nope nope nope not possible. it take 5-8 pound of force to pull a pin out
ITS REALLY SIMPLE pull the pin
mobile pin
pin - pinch
pull pin out and disinfect
Pull the pin
Pull out the pin and throw it right back at her
Pull the pin and throw it back
Pull the pin
A needle has an "eye" at the other (non-sharp) end, to allow you to pull a thread. A pin doesn't.