bone up 

learn about

"I'm gonna go bone up on my history facts"

bone up by Aeon102 May 17, 2004

bone up 

To revise, especially cramming.

"I've really got to bone up on these maths problems."

bone up by Uninnocent May 18, 2004

bone up 

get a woody, a hard on

Did she make you bone up?

bone up by Nicolenz September 23, 2006

bone up 

to revise.

I had to bone up on my algebra in time for the exam

bone up by Anonymous June 3, 2003

Bone up 

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

Bone up by Reading2k13 February 5, 2014

bone up 

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.

bone up by silentounce January 23, 2009

bone up 

to light a joint.

come on man, it's time to bone up!

bone up by peacefrogkk January 6, 2004