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.
rear-end (rîr'ěnd') tr.v.
rear-end·ed, rear-end·ing, rear-endsSlang To run into (another motor vehicle) from behind: My car was rear-ended by a truck. rear'-end'er n.
n. the tail end; the buttocks. (Euphemistic.) : The dog bit her in the rear end.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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[reer-end] 
