chink up(redirected from chink it up)
To fill in or patch narrow openings, such as cracks or fissures (chinks), of something. A noun or pronoun can be used between "chink" and "up." We live in an area that experiences a lot of earthquakes each year, so we've gotten pretty good at chinking up the walls of our house.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.