<noun>
1) The point of orgasm during sexual intercourse.
2) The moment you smack your load all over your partner's body during a tit-wank or a hand job or something...
3) The point of orgasm in any situation, be it masturbation or otherwise.
1) "Oh darling, I have just reached my sexual zenith."
2) "Oh bitch-ass skanky ho, I be reachin' dat sexual zenith right now."
3) "Glen reached his sexual zenith as he pressed his jap's eye into the handkerchief."
by Stuart Fletcher January 18, 2005
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