slush up
Verb
Meaning
slush up (third-person singular simple present slushes up, present participle slushing up, simple past and past participle slushed up)
(transitive) To fill (spaces in masonry) with mortar.
Verb
slush up (third-person singular simple present slushes up, present participle slushing up, simple past and past participle slushed up)
(transitive) To fill (spaces in masonry) with mortar.