2 definitions by JDRstoned

When a person or group of people smoke(s) a massive amount of marijuana in one sitting.
Stoner 1: "Homie, my friend and I had a master sesh last night. We smoked a quad between the two of us."
by JDRstoned August 18, 2009
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Eating a big meal (usually between the hours of 11pm and 3am) caused by smoking marijuana and getting the munchies, after already eating dinner.
Stoner 1: "I downfalled so hard last night, after a steak dinner with my parents I had a master sesh with some homies and ate two Big Macs at Mickey D's.
by JDRstoned August 18, 2009
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