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1.
Singing dramatically along with a song in a pronouncedly slower tempo, often accompanied by falsetto, humming, overenunciation and different levels of tones.
"Wow, listen to that woman gerbpra that NIN song!"

I hate it when my Grandma gerpra's Tool songs!

Boy is it ever annoying whenever drunk Aunt Margaret gerpras Tool's The Pot!
by Nerlin Berlin September 21, 2011