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1.
1. (adj) Highly detailed (us. in reference to a chronicle of some sort)

2. (n) A blow-by-blow account.
1. "My brain is full; I've had enough of your blow-by-blow accounting."

2. "I hooked up with this hottie at the party. Let me give you a blow-by-blow."
by inthespacesbetween November 24, 2009
 
2.
means to give or receive blowjob.
"Julie came over this weekend and gave me the blow by blow"

"I gave him the blow by blow"
by Niggawut? December 16, 2004