Dumping a girl/boy to move up to a higher girl/boy therefore climbing up the dating ladder. Dumping someone unfavorable to bump to a hotter and better alternative.
"Hey man, what happened to you going out with Alison?"

"Right now in dating Emily. I just dump and bumped that shank."
by wotah January 9, 2015
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You go to a public restroom, have a bowel movement, and do a line of Cocaine.
I'm just heading to the bathroom for a dump bump
by Hotrodtikigod December 26, 2016
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(n.) A bump of blow (or really any drug that you snort), served to you while you are taking a shit. A line is also acceptable under these circumstances.
Serve me up a dump bump, please I'm trying to start this day off right.
by cjezioro September 21, 2010
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An asshole hanging out in a restaurant, who is getting bored sitting at a bar with his date.
Fuck this, I need a dump and a bump
by Hedgehog 514 January 14, 2022
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