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1.
1.Thiefling is a person whom was born as a thief. It is used if the person tricked you somehow.

2.It is also a term used in Role Playing Game to define a person whom has a distant demon blood heritage.
1.Hey you thiefling, you cheated!

2.His great great father was a demon, that makes him a thiefling
by NoviceKnight March 11, 2010