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2.
When you freeze your dick and tape it to your head and go around town stabbing people with it
i was so mad yesterday, i wanted to angry unicorn everybody
by Shishujohnny April 26, 2012
 
1.
Angry unicorn - To wear a strap on dildo on your head and angrily thrust it into someones vagina and or ass.

<3
Goddamnit my neck hurts, can we please stop doing the angry unicorn?
by conjuu February 20, 2005
 
3.
it is when your qirl cuts your penis off and sticks it on her head, then proceeds to penetrate your asshole rouqhly.
my qirlfriend told me if i cheat on her she was qunna do the angry unicorn on me.
by Smeat McBobby December 02, 2009