Enter a clue or pattern or both:
The Clue
Leaky radiator sounds (6 letter answer)
The Answer
SISSES
Tags
Notes
The answer SISSES is so rare that it appears less than once every 2500 puzzles.
Definition
SISS as a verb:
1. (hiss, sizz, siss, sibilate) = express or utter with a hiss
2. (hiss, siss, sizz, sibilate) = make a sharp hissing sound, as if to show disapproval