by Bumkicker Slade April 24, 2005

A term (usually used in the U.S. military, esp. the Marine Corps) for a mattress cover. Also can be used for a sleeping bag.
Drill insructor: "Bring two sheets, pillow cases, and fartsacks on line...READY...MOVE!!
RECRUITS: AYE, SIR!!
RECRUITS: AYE, SIR!!
by blacksunbird December 21, 2018

We call my grandma old grandma fart sack because she wakes up to take a dump and it smells like a sack of farts.
by Mr Higgins December 18, 2004

by Alo Konsen September 15, 2003

1. Sleeping bag
2. A sack full of farts, much like the bag of winds given to Odysseus by Aeolus in Homer's "The Odyssey". Often used as a device to propel ships.
3. See "crapsack"
2. A sack full of farts, much like the bag of winds given to Odysseus by Aeolus in Homer's "The Odyssey". Often used as a device to propel ships.
3. See "crapsack"
1. Did you bring your fartsack?
2. I've been stuck on this boat in the middle of the ocean for days! I could really use a fartsack right now!
3. The waiter was being a total fartsack.
2. I've been stuck on this boat in the middle of the ocean for days! I could really use a fartsack right now!
3. The waiter was being a total fartsack.
by Rachel Woodhouse November 30, 2006

a bed sheet. Used originally for a two sided sheet in the shape of a bag to insert a thin mattress, you would turn over as a way to change the sleeping surface, instaed of changing the sheet.
by Bob L July 03, 2003

a one piece blanket sleeper for toddlers, usually zipped up the front. pantlegs are not open at the ankle, but usually enclosed in white slipper-like "footies". worn in the wintertime to keep smaller kids, who might kick off their covers in the night, warm and snuggly.
by david rielly October 09, 2003
