Green’s Dictionary of Slang

(US campus) Barnard College; also attrib.

1966		R. Goldstein One in Seven 78: ‘Smithies,’ ‘Cuffies,’ and ‘Barnyard’ girls are common appendages at pot parties at Yale, Harvard and Columbia [HDAS].
2002		broaderminds.com 🌐 Are there any stereotypes that you wish to correct? Barnard women are not ‘Barnyard’! We are intelligent, witty, captivating, passionate, powerful, eloquent, caring, and of course, beautiful!
2002		G.C. Amurao ‘Personal Profile’ 🌐 Occupation: full-time student at (look below) School: Barnard College (not BarnYard!!) / Columbia University.