The noise you make when someone really, really, fucks up. Or you just dont rlly know what else to say cuz that shit be some funny fucking fire. "oofd"
KekLord: "Yo bro that shit was fire, but like my dog ate half the ounce"
MemeMaster: "oofd"
when your tryna fight of a alien invasion
Obama: "Theres some darn tootin rootin shootin lazer pewing aliens out there bill"
BIll: "pew pew"
Obama: "thankls"