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1.
a small woodland mammal used in a Vietnamese dish. Made famous by Anthony Bourdain in "No Reservations." May also be referred to as "porcupine."
"What's that?"

"Uhhh... squeasel!"
by squeasel_eater August 18, 2007
 
2.
n. someone who is sneaky and sly, yet somehow always manages to get away with it. A squeasel is usually someone younger than you whom you are powerless to act against, such as your little brother, a nephew, or your own kid.
My cousin is such a squeasel, I let him listen to a song and he totally walked away with my MP3 player.
by Kunming Jess September 26, 2006