Top definition
When one "swims in a sea of sleep" and has a 70-80% chance of waking up from their "swim" with mustard on their shirt.
"Could I have 5 hamburgers plain, mustard only...heavy on the mustard." -I am the mustard whale
by tonysuave August 15, 2010
Get the mug
Get a Mustard Whale mug for your friend Vivek.