... do that

Mermaid Man:

That guy over there used to be the Atomic Flounder. I know he doesn't look like much now, but he could go back to crime [snaps fingers] Mermaid Man:
just like that [Mermaid Man and Barnacle Boy chuckle; SpongeBob suddenly tackles the Atomic Flounder] Atomic Flounder:
Help, somebody there! SpongeBob:
You're under arrest, Atomic Flounder! Mermaid Man:
No, lad! Don't! SpongeBob:
But you said he could turn back to crime [snaps fingers] SpongeBob:
like that. Atomic Flounder:
What? Get off me! If I weren't retired I'd... I'd... Roar! [Breathes radiation on Barnacle Boy's face, burning it] Atomic Flounder:
... do that