Back of a fag packet

Commonly used in British English meaning work that is not detailed or polished, but rather a quick and basic outline. "Fag" is British slang for a cigarette, the term describes scribbling on the back of a cigarette packet.

Sod that back of a fag packet idea for our town’s budget!

Back door honey

1950s urban slang for women’s cum.

*in a transatlantic accent* “Herr! I got a hankerin’ for some of your back door honey!”

Back bumper

Worldwide term for someone’s ass

She’s got a back bumper! Who knew!!

The hungry blow back

When performing oral sex on a girl but worried about being premature on the intended sex, you have a sneaky wank and blow first so u last longer the second time around.

Also know as "the emelio" (mr deeds, very very sneaky)

Jahn - "how did u go with Jenny"
Noraa - "well I had been working away for 4 weeks so I had to do the hungry blow back in order to not disappoint"

Back Shake

Shaking your partners back fat when you are having sexual intercourse.

“Tell me why
Ain't nothing but a heartache
Tell me why
Ain't nothing but a mistake
Tell me why
I never wanna hear you say
I want to back shake”

Right back atcha :)

What you smilingly text to your chat-buddy in response to his affectionately sending you assorted "hugz 'n' kissiz" over instant messenger.

You: (blinky eyes, lips) shnoogle-wooglez (heart, flower)
Me: right back atcha :)

back reader

a person who reads back all group message so that he could catch up with the latest topic.

bro1. oh sh**, got too drunk and woke up with 100++ messages. i what is he saying?
bro2. hahaha back reader!