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A word used to make up for gaps in conversation, when the speaker is not certain what they want to say next. Can be very annoying if used excessively.

Prime examples include: er, um, erm, and uh
Person 1: What's a black hole?
Person 2: Black holes are...um...they're uh...black holes, they...erm...er...
Person 1: You have no fucking clue, do you? You're just using filler words now.
by Mickey_G_ April 15, 2019
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Sep 6 Word of the Day
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Damn that was a steezy ass kickflip son!
by niggaliciouszor April 29, 2007
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