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someone who puts down someone's ego/optimism all day, erry day. most of the time just to make them mad.
james lovett is a bubble-burster because he ALWAYS BURSTS MY BUBBLES
by clee243 February 11, 2011
One who ruins your mood, and just really bursts your bubble
Tsk, that girl was a total bubbleburster.
by chistheman December 22, 2008