slush up
Avancé (C1) informal
To turn into a wet, snowy mush, or to make something overly mushy and sentimental.
"The snow on the pavement had slushed up overnight and made walking dangerous."
To turn into a wet, snowy mush, or to make something overly mushy and sentimental.
"The snow on the pavement had slushed up overnight and made walking dangerous."