Top definition
A two-person sleeping position in which both lay in a head to toe position and utilize the others' knee as a pillow.

Invented during WWII by a group of imprisoned U.S.S.R. soldiers in an effort to help each other survive the harsh climate and inadequate conditions.
Hey, man. This floor hurts my neck. Can we Sleepy Nine?
by Sir Isaac Wellington May 03, 2009
Mug icon

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

Alphabetical list