A smoker that empties their ashtray out either trough their window while driving or while parking, onto a road or highway when they think nobody is looking.
Barbara On The Phone With Betty: Oh yeah, yeah, it says allot, being that he's a butt dumper, he'll probably be a slob too.
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Taking a shit in the toilet system then flushing it causeing the water to come out brown.
Taking a shit in the toilet system then flushing it causeing the water to come out brown. and that is a rumper dumper
Sometimes commonly referred to as a "badonka donk" a thunder dumper is a tremendously luscious gluteus maximus.
Man check out that thunder dumper dawg.
When you get a strong overwhelming feeling in your stomach and you have to poop like someone punched you in the stomach.
I was drinking my morning coffee when all the sudden I got dumper punched in my stomach and had to run to the bathroom.
The art of inserting ones thumb (thumbs), into a fellow companions anal cavity, while thrusting wildly in an up and down motion. The thumb dumper must be face to face with the thumb dumpie.
Chantel couldn't walk the next day because she had spent the night being thumb dumped by Tim. Tim is an excellent Thumb Dumper
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A man who repeatedly enjoys the kind of women who have a huge ass, a.k.a. a dummper butt.
The type of ass that makes her look like a bowling pin with cellulite.
Tony: Dude, he went dumper diving last night, again!
John: He loves skinnies but never turns down a fatty, bro.
Tony: This is true. He is the best dumper diver I know!
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