1 definition by LS21

Top Definition
An individual who takes joy in being the first to break big news. He or she rushes with lightening speed to contact all of your friends and family before you get a chance to.
Victim: So I got that promotion! I'm so stoked!
Friend: Yeah I heard, Bob called and told me. Congrats.
Victim: But I just found out like 10 minutes ago! He's such a thunder stealer!
by LS21 July 15, 2011

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