ròu​má

sappy

肉麻 ròu​má
sappy adjective
sickeningly sentimental, corny, or maudlin, especially in a romantic context

The love letters he wrote are so cheesy that I can't bear to read them.

fulsome noun
excessive and insincere to the point of being sickening, particularly regarding flattery or praise

His sickening flattery of the leader at the meeting made people feel very uncomfortable.

Frequency

Movie subtitles
1.19 per million appears in 1% of films
Written text
2.06 per million

Sources

Definitions
CC-CEDICT