歯の浮くような
Meanings
1
set one's teeth on edge; cringeworthy; saccharine
Describes something so overly sweet, flattering, or sentimental that it makes one cringe, as if one's teeth are floating. Often used for insincere compliments or cheesy lines.
I'm fed up with his cringeworthy flattery.
The love scenes in that movie were full of saccharine lines.