Don't make me laugh!

don't make me laugh

A humorous response to a statement that one thinks is ridiculous or highly improbable, as if it were a joke. A: "Monica is coming to the meeting tonight, right?" B: "Don't make me laugh—she hasn't been to one all year."
See also: laugh, make
Farlex Dictionary of Idioms.

Don't make me laugh!

That is a stupid suggestion! You a judge? Don't make me laugh! Don't make me laugh. Tom could never do that.
See also: make
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • Don’t make me laugh!
  • don't make me laugh
  • you make me laugh
  • You make me laugh!
  • ricockulous
  • checks notes
  • (Don't ask me,) I just work here.
  • (Don't ask me,) I only work here.
  • in the unlikely event of
  • in the unlikely event of (something)