grease pencil
a crayon like graffiti marker that shows up on black surfaces.
yo man, all my markers dont show up on black, maybe i should get a grease pencil!
Grease pencil
A euphemism for messy anal sex with a man with a very slim penis
'hows it feel babe, are you enjoying our experimental session'
'aye babe this is class, only problem is me shaft looks like a grease pencil'
'aye babe this is class, only problem is me shaft looks like a grease pencil'