Giving someone the "pirate" is when during sexual intercourse, the male kicks his partner in one leg, and while she/he is screaming "ARGH!", he continues to ejaculate in her/his eye.
Dude1: So how was your date with Miss Hook last night?
Dude2: She was quite shy at first, but I gave her The Pirate at the end of the evening.
Dude1: You a nasty motherf**ker