i.e. you rattled my cage
Ryan: yo man thats not cool, im slightly rattled
Fabian: yo, im sorry man... JOKES your a whore
Ryan: stop rattling my cage bro
Usually occurs when something happens a person did not expect or can't believe happened.
When someone gets rattled be sure to call them out on it, usually receiving a response similar or equal to: I'm not rattled!
Yelling rattled in the person's face or shaking your hand back and forth adds to the effect.
Some individuals can become rattled when manually provoked by aggrevating events or inviduals. In some extreme cases some individuals can become rattled by simply seeing another individual that they perceive to be aggrevating for various reasons.
Joe: ya right...
(Joe walks away)
Joe: Fucking buddy gets me rattled everytime I see that cock fucker!
Steve: I agree, he's the worst.