squeaker

1. One who or that which squeaks.
2. (Internet) One who or that which squeaks.
3. A party toy that uncoils with a squeaking sound when blown; a party puffer.
4. (slang) An informer.
5. (US) A game or election won by a narrow margin.
6. An animal that squeaks.
7. An animal that squeaks.
8. An animal that squeaks.
9. An animal that squeaks.
10. An animal that squeaks.
11. An animal that squeaks.
12. (slang) An act of flatulence; a fart.
13. (slang) A child, especially an illegitimate one.

Etymology

From squeak + -er (“agent”).

Synonyms

close shave

squeak

narrow escape

close call

crepitant

informer

sneak

squealer