15
When a chick is sucking your cock and you notice insane amounts of jizz oozing out of her loose, overworked snatch. Because we are guys, we continue on face fucking her and dump the contents of our balls into said bitches gut.
Dude, really. Your mom is a filthy slut. I mean, she sucks a good dick and all but holy shit she's a total cum dumpster. How many guys do you think she fucked already today? I'm guessing by the amount of jizz i saw seeping out of her loose flappy twat and asshole, that she's been with 8 or 9 guys already today. Have a talk with her will ya?
by Dick driller July 24, 2010
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16
One, usually female, although not necessarily, who is a receptacle for semen.
Look at Michelle, she's just a filthy cumdumpster!!!
by Aunt/Aunteater January 14, 2004
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17
One whom enjoys all bodily openings to be filled with massive amounts of male ejaculate especially when its from random men (since it makes them feel more slutty).
My girlfriend is a total cum dumpster. I need to find a new one.
by bubba pookie March 02, 2010
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18
a female receptical for many men
by jEsTa00420 October 02, 2003
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19
An offensive and vile insult.

It suggests that the person at the recieving end of the insult has only one use - to be filled with semen, used as a garbage.
I hate so-and-so S/He is a cum dumpster.
by crayons September 01, 2004
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20
a girl who is addicted 2 cum. its kind of like how every1 takes there garbage to the dumpster but in this situation all the guys dump their loads in the slut's vagina. she's usually extremely loose
b4 i met my gf chelsea, i slept w/ a loose cum dumpster named suzy
by Lapdog August 10, 2004
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21
one who sucks a lot of dicks and swallows the semen for favors in return
brian wood is a cum dumpster at the fire house
by ZzImuRDaDn1GAzZ June 22, 2011
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