A Flang is Storm chasing slang for a very close lightning strike, often instantaneous with thunder, can have a shock wave associated with it..
Hey, we copped a few Flangs last night from that Squall line..

awesome Flang-fest yesterday out in the cane fields..
by Darth Dumbarse October 24, 2010
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The art of scissoring, performed by males. When two males interlock legs and rub genitals for the purpose of sexual satisfaction.
Jeremy thought it was just another business meeting, but he found himself flanging in the boss' office.
by Drummerboy85 March 14, 2017
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Ladies Inner lips (vulva). Also a man hole cover in the road.
Her flange was the size of a manhole cover! kept me ears warm all night.
by bitterlemon January 05, 2010
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When you cup your hand over over your anus, fart, catch fart, close your hand and move it slowly under your partners nose and then open your hand.
My sinuses were clogged all day until Bart flanged me.
by D Van Mete August 28, 2006
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A type of join used in engineering to affix 2 piece of wood/metal/misc. material together.
The corner on this storage cabinet is a Flange Joint.
by Katie February 27, 2005
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