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Same as "lol" but used mainly by medical students.
Conversation 1:
Student 1: "Hey, did you prepare today's seminar?"
Student 2: "Propanolol"

Conversation 2:
Student 3: "HAHAAHAH you said monosynaptic instead of monosyllabic propanolol"
by Esparrec January 23, 2017
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