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1 definition by phd candidate

An acronym for "Permanent Head Damage"
Landlord: How are you these days?
Tenant: I am close to graduation.
Landlord: You are still in school?! Are you a genius?!
Tenant: This PhD program takes a long time and makes me depressed all the time.
Landlord: Well, you are gonna be a suger dad very soon!
by phd candidate September 07, 2006