Top definition
An occasion on which sleep lasts significantly more than 8 hours.

Antonym: no sleepathon - an event where sleep is deprived beyond standard 16 hours.
Shaniqua enjoyed a 15 hour sleepathon with the help of her extra-strength pain killer.

Antonym: Shaniqua endured a 48 hour no sleepathon on a business trip.
by desjardins November 29, 2007
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