You sneak up behind an attractive female with ninja-like skill and pop a feel on her. When she turns around to see who did it, you are already long gone with the use of your ninja reflexes.

breast pump – (also known as the BP) when a man squeezes his wife or significant other's breast. This usually occurs in the comfort of one's home and can occur as often as the squeezer likes and can lead to foreplay or home runs.