Definition of "might've" []

• Might have; used to express the possibility of something occurring in the past as condition to another non-occurring past event. (verb)
• Used to express uncertainty about a past event. (verb)

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• "If you were aiming for the new "wassup", an actual word might've helped."
• "I knew intellectually that women's breasts were designed for this natural purpose, of course, but the sight of this noisy, foreign apparatus mechanically sucking on my wife's breasts was so unexpected, so incongruous, that she might've been an abductee of aliens on a mission to extract Earthling female specimens before worm-holing back to their star system."
• "One can imagine how someone like satirist Harry Shearer might've handled the opportunity."