Definitions by Jay Uhlenhoff

Coppertop 

an alcoholic drink containing rum and some kind of coke or pepsi. empty out the top 6oz or so of the soda from a 20oz bottle then fill with rum. the rum sits on top of the soda before mixing, giving it the 'coppertop' effect.

'Dude, you wanna make me a coppertop?'
'Sure man. One coppertop coming up.'

Coppertop by Jay Uhlenhoff April 26, 2005