Coffee spiced with either an amphetamine or methamphetamine for party purposes or simply to stay up. Coffee is preferred because it's acrid taste masks additives well. The name originated from bikers who were on long drug runs who needed to stay up through the night.
It's 1:30 a.m. and you and your drunk friends decide to go to Las Vegas. So you say,"Hey, lets make some biker coffee's and jam!"
by Big Lovin 666 September 15, 2009
by luciaaa116 February 15, 2018