Breastplay 

An act of foreplay that involves a fondling of the breasts of another woman or even man. Involves groping the breasts, licking and kissing the nipples and rubbing titties together all for the intent of sexual gratification and pleasure.

Julian: That was some amazing breastplay we had~
Diane: I agree~

Breastplay by Maruchi Kitsune August 22, 2015

breathplay 

The restriction of breathing, usually during sex, to gain erotic satisfaction. Can be done by one's partner(see erotic asphixiation) or alone (see auto-erotic asphixiation).

He didn't mind wearing a collar, but he drew the line at breathplay.

breathplay by greensleeves8537 May 21, 2005

Useful as nipples on a breastplate 

Completely useless; just for looks
Can also be said about Batman's uniform

That's about as useful as nipples on a breastplate!

Useful as nipples on a breastplate by minkispunk September 11, 2011

Breastpacito

A satanic ritual preformed once a year to honor the Despacito gods.

Breastpacito

Breastpacito by Logan Paul's Homosexual Uncle November 26, 2018

Breastular 

1. Of or relating to the breasts.
2. Resembling breasts

Those little pumpkin candies are quite breastular.

Breastular by Snof October 8, 2003

Breastplate Boomer 

Not just any old boomer, the boomer of all boomers. Breastplate Boomer quickly rose as a postwar icon after his service in the Skaraana vs Humanity war of 2021.

Who the hell is that old boomer?!
That's Breastplate Boomer, the messoah and grandfather of the prodigal son who's face is glazed in cum.

Breastplate Boomer by DisasterHellscape June 23, 2021

Breastphyxiation 

The act of suffocating someone with a large pair of breasts, usually a D cup or larger. This usually occurs when someone tries to motorboat a girl and it goes horribly wrong, causing him to asphyxiate within the girl's breasts.

John: Bro, did you hear about Dave?

Nick: No, what happened?

John: He was trying to motorboat some hot chick with a huge rack, but got lost in there and died.

Nick: Dude... *shakes head*

John: Yeah, the coroner said cause of death was accidental breastphyxiation.

Breastphyxiation by AngelTheFallen July 13, 2015