Only slightly offensive but considered a light-hearted name for someone who doesn't deserve more harsher titles like F*cktard or F*ckwit. Can be used with good friends as a matter of course or as pet name for a colleague.
Playing snooker with a mate and he pots the deciding ball and wins the money..

"Ah damn it, nice pot though you F*ckstick."

At work...

"Come on, make the tea you F*uckstick."
by Ricardo Hill February 18, 2008
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