Backblast Area Clear 

a. a military cautionary statement, when one is firing the AT-4. One looks behind them, scanning for personnel 100 meters back in a 90 degree cone, once it is clear they yell backblast area clear and fire.

b. One looks behind them, and whether it's clear or not, yells BACKBLAST AREA CLEAR, and rips a loud veracious fart.

a. READY, BACKBLAST AREA CLEAR, FIRE FIRE FIRE

b. Hey Tom, backblast area clear, RIPPPPPP HAHAHAHA

Backblast Area Clear by Military guy April 10, 2009

backplace 

The point at which you know you made a typo and must decide whether to backspace or hope autocorrect catches it

Liam hit the backplace at "extero" didn't want to risk whether autocorrect would know he wanted "extraordinary".

backplace by korgwm March 11, 2011

Back Blaze 

Verb. The act of anal sex with someone who just pooped after attempting the "Blazing wing" challenge.

"When you're done pooping the last of those blazing challenge wings, you want to back blaze?"

Back Blaze by PipiLongstonkings November 11, 2021

The Backblast

When your doing a girl doggystyle and pull out to cum on her back, you slap her shoulders with both hands as hard as you can and yell BOOOM!!

I gave my girlfriend the backblast last night and she couldn't move for a whole hour!

The Backblast by TheWubster01 April 12, 2023

backlazer

someone who will lay or sleep anywhere no matter the circumstances, including sand,dirt,or a jizz-drenched pile of laundry

Mel: look at rob, he's just lying there on the sand. he must not mind that he's laying on pieces of dead kelp and lobster pieces while been crawled on by ants!
Joe: what a backlazer...

backlazer by Al Gore(just kidding) July 7, 2011

boston backblade 

After the consummation of intercourse, the male mushroom cap drags a wad of semen out onto the carpet when the male pulls out.

Jim left a load on his girlfriends carpet by using his patented Boston Backblade maneuver.

boston backblade by BFD137 February 19, 2017

Backplate 

A Word That Describes Large Nipples

Whoooa! Check Out The Backplate On That!

Backplate by YoungSamuel February 17, 2006