To do a line of cocaine off another's penis
I was really drunk last night, and some dude pulled out his dick and put some good drugs on it and told me to start sniffing...I asked if there was a name for this unique way to do drugs and was told it's a "HAMMER-RAIL BITCH"
by newly addicted hammer-railer August 01, 2009
Doing a rail of cocaine off someone's hammer
This chick just did a rail off my cock. It was a sweet hammer rail!
by zerothdimension July 20, 2013