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The most laid back person in the bunch; very relaxed and low profile; a stage further than just being low-key. Can refer to a person or an event.
I hit up my friend's house last friday night and we all just hung out, chilled, ate some pizza and watched Netflix -- it was a sensitive low-key kind of hangout.

James is a sensitive low-key kind of guy -- he is always so relaxed and always goes with the flow.
by The Real D Boy September 19, 2013