Top definition
a pill that is commonly prescribed for naseua,restlessness,and many other things.usually white and round.if you take four .25mg pills,you'll have a nice fuckin nap
dude last night i took 4 promethazine(phenegran)pills and i fell asleep in front of my computer.it was awesome
by nanneydanny January 16, 2009
Get the mug
Get a phenegran mug for your Aunt Helena.