A horseshoe shaped pillow, placed around the neck. This neck pillow/nillow, is frequently used during travel.
Hershel: Did you sleep on the plane?
Inbal: Hells yeah. I passed the f*ck out cause I had my nillow.
Inbal: Hells yeah. I passed the f*ck out cause I had my nillow.
by regyna cuntegunde June 16, 2010