skull bump

sniffing huge bumps of pain killers or cocaine as hard as you can, you feel it hit your skull.

"Can you believe those assholes kicked me out for skull bumping?"

by jaygoodie March 08, 2009

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bumping uglies

doing the nasty, fucking, making love, screwing, having sex.

No, mom. Me and Amy were bumping uglies when you called last night. It was off the hizzoook!

by Luvmaker November 15, 2004

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AP Bump

The bump on your middle finger of the hand that you write with resulting from hours of homework assigned by AP classes. May remain for days, weeks or even months.

Sizes may vary. The larger the size, the more homework you have.

Joe: Is the new kid any smart?
Steve: Yes, you can tell by the size of his AP Bump.

by ipod_ninja April 04, 2010

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Shadow-bumping

On the IMDB forums, the act of posting a blank response and then deleting it a second later thus intentively bumping the targetted thread and remaining anonymous as the bumper.
Specifically detested because it is a stealth form of necroposting and often used by trolls.

boxOmetal: some idiot just revived that y2k thread
cardboardboy: yes, well done idiot
boxOmetal: wtf?
cardboardboy: saw your name on the most recent post before it was deleted you shadow-bumping idiot

by blueshift August 14, 2006

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