An underage person who is overweight; portmanteau of jailbait and whale. Jail-whales may or may not come equipped with a whale tail.
"This girl I met on myspace sounds really cute but she's probably a jail-whale so I'm gonna steer clear."
by Ailurus January 21, 2010
Get the jail-whale mug.
A facility where marine animals are used for research and then put on display for tourists.

Ex: The Alaska Sea Life Center in Seward, AK
Let's go to the whale jail and free Willy, that'll show those goddamn marine mammal biologists!
by somethingnew May 1, 2007
Get the whale jail mug.