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immerection (noun-verb) the actual object, or action of, getting an "immediate erection." immerection. when an erection occurs instantaneously. immerection. faster than you can say "erection." immerection.
"Hey Dude! Check out my immerection!!"

"Oh shit guys, that female is so hot she just gave me an immerection!"

"I love getting immerections."
by nrabob April 02, 2010
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