fromage, adj. — Green’s Dictionary of Slang

fromage adj.

[Fr. fromage, cheese, thus cheesy adj.² (1)]

(US campus) objectionable.

1920		Ade Hand-made Fables 242: He was exceedingly Fromage.
1990		Eble Campus Sl. Nov.
1996		Eble Sl. and Sociability 70: Cheese became a metaphor for ‘something unattractive or undesirable’ and gave rise to [...] the personified Captain Cheddar, and the French equivalent, fromage.