The messy room an/or living space of a just-as-disheveled loved one, FWB, or partner.
Example: I wish you'd do a reno on your habitat; the floorboards are crusty and covered in woodlice.
Moose is really living up to his name!--his wall vines are not well-kept and some of the broken terrarium glass is still on the ground.
party habitat (n) An area designated for activities of a partayish nature, usually found at collin o'brien's house. Can also be used for a party in which dan hochberg is dancing and singing along to "oops i did it again" by himself.