To defecate with urgency and explosive force. To expel fecal matter in a timely fashion.
Every morning after a cup of coffee and a cigarette,I have to blast-a-dookie.
by J.L.Willis July 26, 2003
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a term in when your about to take a bad shit, a feel like your going to "blast" it out of your ass
Man I got to go and balst a dookie.
by Chris cain March 09, 2005
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To excrete a large amount of defecation in a short period of time.
After running for an hour, I had to blast a dookie that was going to shatter the toilet.
by Matt Berlin September 02, 2003
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Much like explosive diahrea. It comes out very fast, but it is usually very large.
Brennen was in the bathroom for like 30 seconds blasing a dookie, but it reaked like a 400 lb gorrila of a man was in there for an hour.
by RevStan January 09, 2004
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