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1. A group of deer.
2. An excessive amount of something.
A jamsack of deer ran rampant across the meadow.

The accountant had a jamsack of paperwork to complete before morning.
by stevilmetalhead May 15, 2011
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Jun 20 Word of the Day
Marginalized Orientations, Gender identities, And Intersex. it’s meant to be an all inclusive umbrella term for asexuals, homosexuals, multisexuals, trans people, and intersex people. Alternative to LGBTQIAP+
Alternative to MOGII, easier to pronounce.
The MOGAI community in my city is very friendly.
by sebasty September 04, 2014
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