When a person that has their hair tied up in pigtails whom is simultaneously upside down and giving oral sex; the braids hanging in this way appear similar to Batman's ears - especially whence he is hanging upside down.
Bob: "Hey John, did you get batman head from that chick with pigtails from last night?"

John: "Why, yes - bob. When she hung her head upside down from the side of the bed so that I could more easily deepthroat her with my penis she looked just like Batman.
by Kushmode420 May 11, 2021
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When you put a batman voice on while you are doing a man in the bum and say "Joker does my baterang hurt your bat cave!"
" Batmaning with Jeremy was the best time of my life"
by Sexy Boy Jenkins May 01, 2016
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To find out about a person and what he/she has been up to without them knowing using friends, family, social media and random conversations with them to seek out discrepancies in their stories.
person 1 (batman): "Hey, how are you?"
person 2: "I'm good, I'm good, you?"
person 1: "Good thanks...I tried calling you last night, where were you?"
person 2: "Oh..umm...I was sleeping all day, I woke up ate and went back to sleep!"
person 1 (thought bubble): "Time to do some batmaning!! hehe"
by The Real Batman_1972 June 28, 2015
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The sexual act of having your partner laying on the ground, butt cheeks wide open, and you jump from the top of your bed and land with your penis in their ass.
Friend 1: Did you batmaning that girl last night?
Friend 2. Yea bro, her butt still hurts.
by ItzParticlez September 14, 2019
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Given enough time to prepare for any encounter, Batman will win.
Batsy: What are you, retarded? I'm the goddamn Batman!

Bystander: How did he just-
Bystander 2: Batman logic.
Bystander: But that doesn't make sense! How can he defeat-
Bystander 2: Don't question it. He's the goddamn Batman.
by PatchworkPsycho March 28, 2017
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when a kid in a Batman suit carries you upstairs unconscious
That girl got Batmanned last night when everyone fell asleep.
by TMO11 January 10, 2020
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Bat·man-ness/ (ˈbætˌmæn-nǝs) /
n.: The degree to which an individual has the quality of being availed to running along rooftops, aggressively deterring goons, thugs, henchmen, etc. or identifying and engaging a super-villain. Additional qualities may be extended to but not limited to: looking good in all black, having an unexplainably gravelly voice, wearing a cape and/or being outrageously wealthy-i.e., like Batman.

n.: The degree to which an object seems "cool" or interesting as though it could be owned by Batman and/or would be in his arsenal.
As young Keyron exited the store he announced with a swell of pride and his best gravelly voice "I am Batman!!!!" His proclamation inadvertently garnered the attention of his matriarchal parental unit who proceeded to stifle his Batman-ness by responding "If you don't stop yelling in these people parking lot, I am going to BAT THE PISS OUTCHOO..."
by Dragoncat14 June 10, 2020
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