while fucking a girl reverse cowgirl style, have her stretch out her arms, while taking a flashlight and shining it on her back and start singin the batman theme song... The result will be a 'bat signal' on the wall
'batman dodah doo batman' flashlight produces the bat signal
by caelous May 18, 2008
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a stealthy maneuver done to a guy while he is either asleep or passed out. when you take the scrotum-AKA the ballsac and stretch both sides, making the bat signal.
kid1: "have you ever been dooped?"

marines guy: "no...but i did get a bat signal once!"

everyone: "WHAT THE FUCK!?!?!"
by jneill June 6, 2007
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The act of posting on ones social media’s to alert the other sex of your presence in the area
I’m sending out the bat signal tonight Jessica is looking A-1
by Dixy14 December 22, 2019
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After successfully fucking hottie, flicker light switch 5 times letting Gotham city know you're the man.
After I fucked her I made sure everyone knew, so I gave them the bat signal.
by ferkyferk21 November 23, 2011
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1. Like the Bat Signal, but used to summon someone crazy.
"Hey look, there's Gary Busey. Someone must have turned on the Bat Shit Signal."

bat shit crazy bat shit insane
by Jack117 June 13, 2010
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A gentleman on Glenwood St flies a bootlicker advertisement to attract randy truck enthusiasts to his home for adventureous bodily exploration, a sort of extreme yoga that includes touching.

When the flag is out, it provides the equivalent of a “bat signal” for the confused and young, this goodly man welcomes them with his robust, 80 year old arms.
I was headed up norther and saw the Glenwood St bat signal again. Sigh…
by fatstupidlazypoor June 12, 2022
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