Discussion Forum—A Way with Words, a fun radio show and podcast about language

I was talking to an old college buddy recently and a slang usage came up that I had not heard since graduating in the 1980s in Indiana.

The word is "throat". It was used as a derogatory term to describe a student that spends all his/her time studying and has little interest in socializing.

example usage - "Don't bother inviting Dave to the party, he's a throat"

Anyone else familiar with this usage or know the origin?