Marvin is at a party with some friends, and on a dare he drinks seven shots of tequila inside of a single hour. according to your text, marvin has engaged in an episode of

Marvin has engaged in an episode of "heavy episodic drinking" or "binge drinking".

Binge drinking is a cutting edge appellation for drinking mixed refreshments with an aim of getting to be inebriated by substantial utilization of liquor over a brief time of time. It is a style of drinking that is well known in a few nations around the world, and covers to some degree with social drinking since it is regularly done in gatherings. Heavy episodic drinking is related with a significant social mischief, monetary expenses and is more typical in guys, during puberty and youthful adulthood.