refers to the ability to hold your alcohol far better than the average person, simply because you attended Lehigh University.The majority of those in attendance at LU typically have a Lehigh Tolerance due to the high consumption of alcohol there.

Lehigh has also been known to have invented numerous drinking games: Beirut, Skong.
Guy 1: Dude, you have demolished 40 beers. Are you okay?

Guy 2: Yeah. I am a Lehigh Engineer. I have a LEHIGH TOLERANCE.
by lehighEngineerBJ October 12, 2010
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