A fat joint smoked at midnight on one's birthday
by lilKnicky January 6, 2013
Get the birthjay mug.
n. A blowjob given/received on one's birthday
Male: C'mon baby it's my Birthday!
Partner: I'll give you a Birthjay and no more.
by MightyKongHasWoken33 January 24, 2012
Get the Birthjay mug.