Attachment to your rear end (exhaust pipe) that makes the sound of your engine louder and supposely helps you saving some gas...
That flow master you got in your 5.0 sounds mean
by noname1 October 5, 2005
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high vibrational thinking causing personal super powers
She was a flow master , she knew what you were thinking before you did.
by Loungefly December 19, 2021
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A Flow Master; a master sales man, the ability to sell anything, flow of personal connections.
You sold that lady a dead bird when she was on vacation in Atlantic City. Ty, you're a flow master.
by Flow Mastet Ty April 25, 2016
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