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drinking three "Natural ICE" or "Natural Light" beers in a row.
Jill drank a nattrick and immediately passed out because she has no tolerance.
by NattyuptoBatty March 21, 2010
The art of reaching into the cooler with one hand and grasping three Natural Lights.
JP reached into the cooler and pulled a nattrick for him, Brad, and Jodi.
by jasonpotter August 17, 2009