Answer: IMDONE

AnswerCrossword Clue
IMDONE"Finished!"
IMDONE"Ta-da!"
IMDONE"That's about it"
IMDONEWhat putting one's pen down in Final Jeopardy! usually means
IMDONE"That's all for me"
IMDONE"Finished"
IMDONE"Finito!"
IMDONE"That's all for me!"
IMDONE"That's it for me"
IMDONEWords after "Stick a fork in me"
IMDONE"No more for me"
IMDONEConfirmation to a busboy
IMDONE"All finished!"
IMDONELine to wrap things up with
IMDONE"That's enough for me"
IMDONE"Not another bite for me!"