when a person or persons ejaculate on a surface and the resulting stain resembles a depiction of a bird
by happycuntpunter April 30, 2015
The art of masturbating and then climaxing in the air while participating in an extreme sport (ex. hang-gliding, skydiving, parasailing, surfing, skateboarding, etc.)
Announcer: aaaand Contestant #3 makes the final tur... aaaand he’s jizzbirding right into the crowd in celebration! What a finish!
by GrizzlyArsenal March 19, 2019