1 definition by PandimusPrime

Slothful beast chiefly found in the wetlands of South Wales. Sightings are rare due to the sheer length of time a stally spends asleep. Can become overanimated with exposure to alcohol
Q. Why didn't you meet me on the train?
A. I pulled a stally. Sorry.
by PandimusPrime March 8, 2004
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