Answer: yayme

AnswerCrossword Clue
YAYMESelf-congratulatory cry
YAYME"I rock!"
YAYMESelf-congratulatory cheer
YAYME"I did it!"
YAYMESelf-congratulatory comment
YAYME"I dood it!"
YAYMECry of self-pride
YAYME"Lookie what I did!"
YAYMESelf-congratulatory words