Green’s Dictionary of Slang

(US campus) something or someone phoney, false.

1986		Eble Campus Sl. Nov. 6: laminate – fake, almost robotic person.
1996		Eble Sl. and Sociability 79: Among the slang items that seem to derive their humor from the polysyllabic Latin- and Greek-based elements of the vocabulary are [...] laminite ‘a phony’.