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Blow Stamp 

Leet speak for Bitcoin accidentally coined by a 94-year-old grandmother and possibly the oldest known Bitcoin investor on October 29, 2013.

Also spelled, ฿low Stamp.
My 94 year old grandmother gave me $1000 dollars last year to buy her some Bitcoins. Today she asked me how her "blow stamps" were doing. She's probably the oldest owner of Bitcoins in the world, and she's sitting on $20,000 worth.
Blow Stamp by grahvity October 30, 2013
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blow stamps

฿low Stamp noun.

/blō•stamp/

1. A LEET-ish speak word for 'bitcoin' accidentally coined by a 94-year-old grandmother on October 29, 2013.
Hey sonny, what are me blow stamps worth these days?
blow stamps by Bdawg1 October 30, 2013
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