If Someone talks trash on ur sincerely enthusiastic post on Google Buzz, u call that trash talk a buzzkill.
OR if someone says anythin unfunny n follows it with a :p thats a buzzkill
alekhya chakrabarty - Buzz - Public
Hey guys i just won 2.5 lakhs, a bike, a fancy phone, crystal badges and a gold gleaming trophy at this international quiz!!
5 people liked this - Sahil Mehra, Asmita Singh, Varun Vashishth and 2 others
varun vashishth- Wow.. thats great news.. Marry me!! :p Seriously though, i age well..
When your high on marijuana and one of your friends starts getting paranoid and saying "oh man the cops are gonna catchus doin this."
Ryan: dude this pot is so cool.
Tim: yeah man. Hey hey hey smoke weed everyday.
Ryan: yeah too bad this shit is illegal and the cops might catch us.
Tim: god dammit ryan your such a fucking buzzkill.
Should be used exclusively for the popular phrase "Wow! Buzzkill". In which case the word basically means a person who is interrupting an otherwise joyful or happy moment
Alex: "WOW! Buzzkill"
Joey; "I know right! Wtf? David Blaine! This retard just pulled out in front of me"