Related Clues:

• Laugh harshly like witch
• Sound of a hen after laying an egg
• Loud laugh, like a hen
• That sounds foul, by the sound of it
• Only one c.c. more is enough to make the lake sound foul
• What a foul sound!
• Not the sort of foul sound you'd get from 26 across
• What a foul-sounding sound!
• You're sure to hear from 19 across
• See 1
• Cut it and keep quiet
• Laugh (like a witch)
• Squawk like a hen
• Goose talk (sometimes cut)
• Unpleasant laugh