Euphemism for dumping someone. Especially as a result of some sort of emotional, psychological, or physical defect/annoyance that has rendered them undesirable. Similarly to what happens to pets if they exhibit physical or psychological problems that are beyond the owners liking.
dude: What happened to that hottie you've been dating for the last 3 months.

dude2: Man, she ended up being a complete psycho: She was totally sent to the pound.

dude: That sux, mang...sorry!
by TeekieT August 25, 2010
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