When you put your head into the vagina. Sometimes done with snorkels on to help breathing. This is a highly dangerous technique often resulting in suffocation.
by Dictionary Wiz May 13, 2014
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The feeling you get after a wild night of drinking. That dizzy in your step after waking up. Also known as a hangover.
"Bro. I downed 6 Jaegers last night. I'm head smashed beyond belief."
by ulson October 13, 2013
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The act of playing Super Smash bros since it came out in 2001...excluding SSBB
Hey Billy, stop playing Smash bros, Your a fucking Smash Head

:DDD
by Torrian B May 30, 2008
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WHILE ENGAGED IN A THREESOME WITH ONE FEMALE AND 2 MALES THE WOMEN IN QUESTION IS SIMULTANIOUSLY {DONKEY PUNCHED FROM BEHIND AND RABBIT PUNCHED FROM THE FRONT.
WOW I HAD NO IDEA THAT REDHEAD LIKED TO BE SMASH HEADED SO MUCH. WE SHOULD DO THAT MORE OFTEN
by INSPECTOR NOSE November 17, 2009
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