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2.
someone who teases you, tricks you, does something sneaky or mischievous. to call someone a sleveen is a form of affection and playful. Word used in the Maritimes as a form of affection.
after having a silly prank played on you, you might respond by saying " oh, you are such a sleveen."
pronounced: Sleeve veen
by pegpeg June 06, 2011
 
1.
A sly , creepy or untrustworthy individual. Usually directed at pikeys or inhabitants of Manchester.Pronounced
Sleeve-een
'Don't let that sleveen twat anywhere near my kids !
'I wouldn't trust that fucker with the lotto tickets, everyone knows he,s a dirty sleveen bollix
by Andrew Barnes June 30, 2008