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A Rainboom made by rainbow dash in the MLP series.
Rainbow dash made a sonic rainboom to save rarity at the episode 'sonic rainboom'.
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by Rainbowsandra June 15, 2016
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Jun 23 Word of the Day
When a reply to a tweet gets more likes than the tweet it was replying to, usually indicating the unpopularity or stupidity of the original tweet
Damn you got 12 likes and his reply got 271 likes? He totally ratioed you bro
by FF29 July 06, 2020
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1) When a pegasus pony breaks the sound barrier in flight, resulting in a rainbow and a sonic boom at the same time.

2) The most amazing fucking thing to ever happen on television.
When trying to catch her falling friend, Rainbow Dash unintentionally performed a sonic rainboom.
by AwesomeSauce42 October 24, 2011
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When your banging your partner and then soon you start shoving your penis into her anus, and you try to shove it until it touches her sphincter, and then after minutes of shoving, you cum a painful stream into her anus. Named after the aerial stunt from MLP: FiM.
Last night, dude, I started giving your mother the sonic rainboom and she was like, "OWWW!!! STOP IT!!!!".
by A Really Bucking Fastard January 17, 2013
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