slush

Concise Oxford English Dictionary © 2008 Oxford University Press:
slush/slʌʃ/

▶noun

• 1 partially melted snow or ice.

• 2 watery mud.

• 3 informal excessive sentiment.

▶verb make a soft splashing sound.

– derivatives
slushiness noun,
slushy adjective (slushier, slushiest).

– origin C17: prob. imitative; cf. slosh.