Answer: wedidit

AnswerCrossword Clue
WEDIDIT"Yay for us!"
WEDIDIT"Hooray for us!"
WEDIDITTriumphant shout
WEDIDITTeam member's triumphant shout
WEDIDITCelebratory cry
WEDIDITCry of accomplishment
WEDIDITCooperation exclamation
WEDIDIT"Our team won!"