A romantic partner who gives off a lot of body heat.
Wintertime camping is easy and comfortable when you share a sleeping bag with a furnace ass.
by EvilRedhead October 6, 2014
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A cosmetic used by Sans1244, no matter what. If you use this cosmetic too, your hiding skills can be enhanced.
player 5917:*uses a furnace mask
player5917*fucking dies
by The_Leafy_Boi1244 December 27, 2021
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