A slang term with a positive and negative connotation.

In the positive tense, it is used as an expression and is used also as a description.

In the negative tense, it is used as a derogatory name for oneself. It would be parrallel to dummy, stupid, retard, lame ass, duck.
Positive:
"Oh fooly wayne! That mfer caught that ball wit one hand!"

Negative:
"Shut yo fooly wayne ass up mfer."
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