Like "are you serious?" but more extreme. Used as a phrase of disbelief.
How much for these jeans?

£150

£150? Are you bummin'?
by lockyinnit January 2, 2010
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When one is bored and lonely so one masturbates with a thumb wedged knuckle-deep into one's own anus.
I told them I fell asleep early because I didn't want them to know I spent all night Thumb-Bummin.
by J. M. Fuhqueny November 5, 2023
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Bumming a boge involves being a cheap bastard who probably has a pack of boges in their pocket going around and bumming Malhbrahs from various people.
Yo nigga can i bum a boge.

or

Ive been bummin boges all day.
by spotswoode99 January 28, 2009
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Displaying lack of motivation or malingering behavior in the face of an important goal or objective. Usually associated with unkempt or messy appearance and lackluster attitude.

antonym: Hit the ground running
1. You arrived to work and checked your facebook status 13 times before 8:30, you're still wearing sweatpants and your frat tshirt, and working on your third dohnut. Dude, you really hit the ground bummin' today!

2. Arrive to work and do not immediately engage in what you were employed to do.
by Soulturkey November 7, 2012
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Bummin is to binge or enjoy somthing so you watch/ listen/ do it alot
"I cant stop watching skins"
"Youre bummin off skins"
Honestly bummin of Arctic Monkeys rn
by Sparklyizzy May 4, 2018
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When one person portrays qualities of a poor attitude and wants the last of anything and everything
He was crumm bummin for the last little bit in the bag of candy.
by BigClouds1607 November 30, 2019
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