To perform a ruthless and brutal attack on another without that person's awareness.
Doctor, this man's nose is still bleeding from the Pearl Harbour he received from his co-workers. Poor bastard.
by Tom Guy March 12, 2003
Get the pearl harbour mug.
To visit the toilet to defecate / have a poo

The term was coined on Twitter by @DaiNewpt after Bristol protestors dumped the statue of slave owner Edward Colston in the sea
I'm off to drop a Colston in the Harbour
by ZellyL June 10, 2020
Get the Drop a Colston in the Harbour mug.
A refinement of the spitroast position in which two guys take a women, one in the mouth and the other in the vagina.

To achieve the 'Sydney Harbour Bridge' the guys at each end raise their arms at a 45 degree angle over the woman and hold hands while banging.
Johnny, I really enjoyed doing the Sydney Harbour Bridge with you the other night. Let's go and find a willing skank so we can do it again.
by Spitroaster October 7, 2007
Get the Sydney Harbour Bridge mug.
A person who hops across around ice pans down in Lark Harbour, to hunt ducks and other species of harbour animals.
JV: Paul your a harbour hopper, with a pancake ass.
RQ: Haha, yeah go to Katie's and make her breakfast.
by Justin Vincent feat. Quilt February 26, 2007
Get the Harbour Hopper mug.
When you bust a nut in a girl and kill yourself during penetration.
How's Rachel?
Dude, she cheated on me.
What the fuck?! Are you okay, man?
Yeah. I'm thinking about Cumikaze / Sperm Harbour-ing her.
by BentLeg25 August 13, 2020
Get the Cumikaze / Sperm Harbour mug.
Used on particularly cold days, especially if there's also a stiff breeze blowing
Hey, John, it's a bit Pearl Harbour today!

You're not wrong there, Paul, there's definitely a nasty nip in the air this morning. Let's get inside and out of this terrible weather.
by Rudescholar469 October 10, 2022
Get the a bit pearl harbour mug.