Top Definition
The eerie feeling that someone or something is following you as you walk up basement stairs. Coined when Reddit users DannyMacho and Im_Tapirs named the phenomenon on Reddit.
My friend is a victim of Danir's Constant every time he gets done doing laundry.
by CoolHandLuke41 November 21, 2013

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug