To revise, especially cramming.
"I've really got to bone up on these maths problems."
by Uninnocent May 18, 2004

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Top Definition
learn about
"I'm gonna go bone up on my history facts"
by Aeon102 May 17, 2004

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get a woody, a hard on
Did she make you bone up?
by Nicolenz September 23, 2006

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to revise.
I had to bone up on my algebra in time for the exam
by Anonymous June 03, 2003

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To roll a joint.
Greg: Are we gonna 'bone up'

Everyone: shut the fuck up, but fine we will get a joint on the go
*finished rolling*
Greg: I don't feel like smoking

Everyone: ... Uuuuuuggghhhh ffs
by Reading2k13 February 05, 2014

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Verb-
When You Get A Hard On & It Makes Your Body Do A Pushup.
Timmy Tried To Do Bone-Ups To Impress His Girlfriend.
by Chi Chang October 25, 2008

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Slang term for getting stoned and masturbating at the same time.
I was bored and had some weed, so I found a couple of porno mags and started to bone up.
by silentounce January 23, 2009

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