Green’s Dictionary of Slang

fratosororalingoid n.

[SE fraternity + sorority = SF sfx -lingoid]

(US campus) an obnoxious fraternity or sorority member.

Show quotations
[US]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 [...] fratosororalingoid ‘obnoxious fraternity or sorority member’.