explosive sex 

Sex so intense that you have to wear two pairs of underwear. A kind of sex that after you finish, you have to go to the hospital because your bits and pieces are a jumbled mess.

I had explosive sex last night that burned through my first pair of underwear and turned me into a woman

explosive sex by Dr kennith noisewater October 30, 2013

sex explosion 

Also known as 'sex wee' or ejaculation
sex explosions can be done by both male and female, but is more apt for the male sex organs.

I was having sexual intercourse with Betty when i pulled out and did sex explosion all over her breasts

Julius made me do a sex explosion when he was teasing me

sex explosion by TWIIIIIICE February 22, 2005

sexy time explosion

A huge male orgasm during sex. Introduced to America by Borat.

I must make sexy time explosion with Pamela Anderson

sexy time explosion by RooRally Baked July 2, 2009

Sexplosive 

Adjective:

Characterized by an orgasmic explosion.

Guy 1: That party was so freaking sexplosive!
Guy 2: It was hot when those girls started dancing on the table.

Sexplosive by Crazy Human Invading Skype October 5, 2009

sexy liquid explosion 

Wen u r not git gud in CS:GO

"Liam y u r not git gud in CS:GO sexy liquid explosion?"

sexy liquid explosion by Angry Jesus January 30, 2016