Soldiers stationed at Ft. Indiantown Gap in Pennsylvania back when it was still an army base, especially in the WWII and Korean War eras.
Locals that lived in the towns near the base (mainly Lebanon, PA) called them "gappers".
by Loretta Lou June 23, 2009

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word to describe a person on the 'ski le gap' ski instructing program in quebec, canada
'that gapper vandalised my bar sign!'
by ski-le-gap September 07, 2006

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a driver who hangs back at least 2 car lengths from the car in front of him because he is in no hurry to get to his destination. This usually causes road rage for the driver behind him.
That freaking gapper is making me nuts! Move up ***hole!
by little girl September 13, 2005

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JacksGap's (Jack and Finn Harries's) audience members, those whose just came or stuck around for a long time
Jack: Gappers unite!
by guest1234567890987654321 April 06, 2015

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