to stand up on hind legs (in the case of animals)
The dog reared up and licked my hands with his floppy tongue.
1. To have sex from behind (can be either vaginal or anal)
2. Ideal for stimulating the g-spot or prostate.
Dude 1: Jill and I usually do it missionary, but yesterday we decided to mix it up and did it doggy.
Dude 2: Hell yeah, it's all about the rear entry.
When you're having sex, and the guy pulls out too far and accidentally thrusts into your asshole.
Pain radiated from Beth's sphincter when Jose's penis rear-ended her tightly clenched asshole.
anal sex, up the bum, driving on the dirt track.
i've got a tatoo on my arse that says no rear entry, because im not gay.
A very brave bloke who sat for hours in the rear gun turret of a WW2 bomber having the shit shot out of him by enemy fighters. It was lonely freezingly cold job with a high mortality rate.
A WW2 bomber had several defensive gun turrets, the rear one was the most vunerable to being hit by an enemy fighter's machine guns.
1. the posterior end of something
2. the buttocks
3. for one car to back into another