sperm whale 

A girl gives a guy fellatio and he comes in her mouth. Before she swallows he shoots her in the head, causing the jizz to eject from her head similar to that of a sperm whale.

Dude #1 "Watching Free Willy reminds me of the time I sperm whaled that ho"
Dude #2 "Boy, you are one sick fuck"

sperm whale by Boo Bee December 17, 2008

Sperm Whale 

When you pick up a woman of bigger size and when having sex with her you put her face down and blow your load in her ass and watch it spray out like a sperm whale.

Jay gave fat sweaty Betty the sperm whale last night.

Sperm Whale by The_Only_Freakass November 6, 2010

Sperm Whale 

A wet willy but with semen. You cum on your finger and stick it in their ear.

That nasty asshole gave me a sperm whale.

Sperm Whale by Bon bon the magnificent January 2, 2010

Sperm Whale 

A fat/obese cum dumpster

"Dude, Susan's totally a sperm whale!"

Sperm Whale by SkinheadPinhead April 16, 2017

Sperm Whale 

A fatty who likes to give blowies

That sperm whale’s cruising for some krill

Sperm Whale by Knoxdewitt December 30, 2017

Sperm Whale 

When you ejaculate into a fat woman and Just after you dip her head into a bowl of water

JOSH: Dude Jane is so fat, I wish I could sperm whale her
MARK: you're A WEIRDO MAN

Sperm Whale by NICK NAVK THE PATTIES BACK June 7, 2018

Sperm whale 

When you ejaculate into a woman's bellybutton and slap the sides of her stomach so that it shoots up like the Waterhole of a whale

"It got kinda messy when I gave my girl the Sperm Whale last night, worth it tho"

Sperm whale by Niggamus Prime July 31, 2019