2 definitions by HipNihilist

An erection one achieves while at the library.
I was reading this biography of Margaret Thatcher for class, and now I have a total liboner.
by HipNihilist April 26, 2012
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A sexual climax where a man unexpectedly ejaculates more than is anticipated, and it creates a mess.
Last night I slimaxed all over myself and it felt like I just won a Nickelodeon Kid's Choice Award.
by HipNihilist October 18, 2012
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