A slang term for masterbating. (usually referred to masterbating only with the fingers due to a particularly small penis.)
Robert: Don't bother me now, im doing homework!

Me: Does that homework include tweedle your needle?

Robert: Whats that?

Me: You should know. It's all over your schedule. plus your the only person who uses a paper clip to do it anyways.
by SuckonitRob February 5, 2010
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