An event, whether spoken or an action, that allows for a fun-filled occassion to become even better; an event that that initiates the first happenings of fun. The opposite of a buzzkill
Dude, last night we were just sitting around mark's place and then B-squared showed up with a pizza and Halo: Reach. Yeah I know it doesn't come out for another two months. IT was a TOTAL buzzbirth dude!
Omgsh! I'm having so much fun at this LMFAO concert! wait..whos that coming out on stage? OMGSH!!! its Drake and Passion Pit! BUZZBIRTH!