What is Johnny Tightlips?
1.
1. An Italian mafioso character from the hit television cartoon The Simpsons, known for refusing to give any information away, no matter who he is talking to or how relevant the information is.
2. Anyone who emulates said character's tight-lipped behavior.
Ah, Johnny Tightlips! How's your mother?
Whoa, whoa, whoa, who ever said I had a mudder?
Johnny Tightlips, can you see the shooter?!
I dunno, I see a lot of things...
You know, you could be a little more helpful.
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