Spermwhale

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"

Spermwhale by Scuba Sam February 26, 2009

Sperminator

Oops... maybe you were looking for Arnold Schwarzenegger

A man who impregnates a woman other than his wife and proceeds to hide this fact for years.

Arnold Schwarzenegger in Sperminator 2 Judgment Day

Sperminator by A1988 June 12, 2011

Seminal Fluid 

see cum, jizz. sperm

"i looked up seminal fluid in the urban dictionary for I have issues."

Seminal Fluid by Andrew Kirkman April 8, 2006

Sherminator 

A red headed guy always wanting to get laid. Preferably foreign chicks who dont know a word of english. He also says prepare to be sherminated to all women in hopes of getting some.
Also known as Shermtron

There goes the Sherminator what a good looking guy.

Shit theres the Sherminator I better hide my girlfriend.

You see the Shermtron at the party?

Sherminator by Sandy the Sherminator Craig January 26, 2005

spearminated 

Term coined to describe Jamie Lynn Spears being knocked the fuck up; credit for this glorious term goes to babloo328 on Livejournal

Omg yall have you been on ONTD today? Jamie Lynn Spears has been spearminated!

spearminated by lifeincairo WHOOP WHOOP January 7, 2008

seminal receptor 

A woman who is a little bit too fond of giving oral sex.

Stephanie is a seminal receptor

seminal receptor by LaDeena June 11, 2006

spermball 

An annoying little cunt. Known as that spermball that snuck through his mother's clunge defences.

Guy 1: Hey look, it's Jamie, actually is it Kev? Or is it Harry-Norway?
Guy 2: Man, who gives a fuck, it's a spermball nonetheless.

spermball by Golden Glory August 14, 2008