to drive a vehicle or other conveyance so as to strike the back end of (another vehicle):
My car was rear-ended by another driver on the highway.
2.
(of a moving vehicle or other conveyance) to strike the back end of (another vehicle or object):
A freight train rear-ended the commuter train this morning.
Origin
1975-80
Examples from the web for rear end
So order an extra size bigger and make sure you get pants or you'll have a wet rear end.
It would throw a lot of people out on their rear end.
It is also a treat of them is that to understand things from the rear end.
Except for a distinguished salt and pepper along his chin and rear end, he doesn't look older than seventeen.
One bee flies around in loops and wags its rear end in patterns that can tell other members of the hive where to find food.
Some years ago a flailing panther sunk its claws into the biologist's rear end.
Once, for example, he accidentally epoxied his rear end to the floor while making repairs at the accelerator.
It involves knocking your quarry's rear end off balance to send him fishtailing off the road, ideally facing the wrong direction.
They put a scope up his rear end and looked inside his intestines.
The rear end doesn't bounce around on washboard dirt roads the way it does on older trucks.
Word Origin and History for rear end
rear-end
n.
"buttocks," 1937, from rear (adj.) + end (n.). As a verb, "to collide (with another vehicle) from behind," from 1976. Related: Rear-ended; rear-ending.
Slang definitions & phrases for rear end
rear end
noun phrase
(also rear) The buttocks; ass: She's a pain in the rear end(1937+, variant 1796+)
verb
To hit a car from the rear: his Grand Am was rear-ended(mid-1970s+)
Idioms and Phrases with rear end
rear end
.
The back part of anything, especially a vehicle, as in There's a large dent in the rear end of the car.
.
The buttocks, as in I'm afraid these pants don't fit my rear end. The noun rear alone has been used in both these senses, the first since the late 1700s and the second since the mid-1900s. The addition of end occurred in the first half of the 1900s.