(http://static3.wikia.nocookie.net/__cb20130705223521/memoryalpha/en/images/thumb/f/fe/Worf_and_O%27Brien%2C_2366.jpg/640px-Worf_and_O%27Brien%2C_2366.jpg)
Worf after the Chief's bachelor party.
O'Brien: C'mon Worfy; this can't be your first time with a man. It was pretty good, wasn't it?
Worf: ....You.. CANNOT TELL ANYBODY! EVER! We will NEVER SPEAK OF THIS AGAIN!!!