Headbutt-asaurus also known as "big ass head" not havingsecond much brain,or alot of space around the small brain.Very Ugly in appearance. Also know to been hit with an Ugly Stick repeatedly. Also known to inflict pain or death by way of headbutting its prey. Headbutt-asaurus may have small feet with large hands, can be female or male or both. They also eat many Burritos & drink lots of coffee. Also tend to write on whatever whenever.
ME-"oh no! here comes a Headbutt-asaurus"!
Headbutt-asaurus (female version) ra ra ra rew!! (in manly voice)
by fknblown August 19, 2011
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When a woman (usually heafty, fat provides cushion) willingly subjegates herself to "vaginal headbutting", another form of weird fat-chick pleasuring
Beatrice begged me to give her a round of Vagina headbuttings, but she was too gross...so i punched her fat fuckin face instead
by A-Spot January 23, 2006
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Sticking your head in your partners ass and shaking your head violently
damn dude, i just gave that bitch the most best dirty headbutt ever
by IEatAlotOfAss42069 January 18, 2018
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When a guy is spooning with a woman in bed and poking her in the butt with his penis.
I couldn't help noticing you gave me a Brachiosaurus headbutt last night. I couldn't get any sleep.
by Garretted September 7, 2020
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The only way to do a headbutt with a crate of beer in each hand.
Swede 1: "Han kom hit med en ölfat i varje hand, och han slog mig rakt ut." ("He came over with beerkeg in each hand and he knocked me right out.")

Swede 2: "Hur gjorde han det?" ("How did he do that?")

Swede 3: "Måste ha varit den berömda danska skallning antar jag." ("Must have been the renowned danish headbutt.")
by TheJyde February 17, 2020
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When you headbutt someone in the dick, with your mouth, repeatedly.
Shut up before i give you a Canadian Headbutt!
by SWOLLTRAIN June 4, 2020
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When your friend is pregnant and needs to have an abortion, you headbutt her fetus area hoping to kill the fetus.

"Ah, I think I'm pregnant I need you to fetus headbutt my fetus!"
by marmar37 January 2, 2009
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