"Take that, loser!"

IWIN

This phrase might follow a triumphant moment in a playful competition.

The clue "Take that, loser!" hints at a taunting phrase someone might say after winning. The answer "IWIN" is a playful, informal way to say "I win," often used in casual or competitive situations. The exclamation mark in the clue reinforces the triumphant tone, making the answer a straightforward fit.