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3.
When you let a nose-pierced fatty suck your cock and just before you blow your load, you shove your dick up to the whore's nose hole and let loose. Then you watch as the sperm shoots out the whale's blow hole.
My fat neighbor kept on beggin' for some vitamin D and I hadn't nutted for quite some time, so I let the whale go down on Moby Dick. I filled the beasts nasal cavity with so much baby gravy, it shot out the whale's piercing hole and stained my rug! A new species of Sperm Whale has been discovered!....true story.
by Mud E. Worm May 03, 2010
 
1.
A fat slut, somone with a loose snatch! see also; Sperm bank
that gemma has slept had more prick then an antique dart board! shes a proper sperm whale!
by BrettR October 02, 2005
 
2.
A guy who likes to skeet in hot tubs and swimming pools
Girl #1: Do not go into the hot tub after T. has been in it, he stealth masturbates under the bubbles

Girl #2: Ewww gross

Girl #1: Sperm whale alert!
by sarasplayroom.com April 04, 2010
 
4.
A man with large genitals and/or is capable of ejaculating quantities of semen after an orgasm.
Wow honey, you are a total sperm whale! It's guys like you that make me happy!
by Mark H June 24, 2004
 
5.
A large female who hangs out at bars and night clubs looking to take a drunk male home and get inseminated.
Joe went home with sally that sperm whale last night shes a real whore, she definitely was trying to get knocked up so he would be stuck with her for good.
by biggirl823 March 05, 2011
 
6.
The process of making your partner laugh immediately after a blow job so that your sperm shoots out their nose.
"Me and that bitch were watchin step brothers while she was giving me a bj and she totally spermwhaled all over when I was finished"
by Scuba Sam February 26, 2009
 
7.
1. A large women who likes to be ejaculated on.
2. A large whale who likes to be ejaculated on.
Pete: Why did you go home with that large women?
Mully: Dude, she is a sperm whale.
Pete: Oh. Then kudos to you.
by Bernard Bangwanger September 24, 2011