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A poorly concealed boner under the pants
"Aren't you going to stand up for the national anthem?"

"I would, but I've got a raging giraffe horn right now"
by Jeremy5464 August 25, 2017
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During the act of a threesome with 2 men and 1 woman, the men put their penisis on the back of the womans head facing up while she jacks them off.
That chick is crazy! She did giraffe horns on Steve and I.
by niggamonkeybitch July 10, 2014
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