Top Definition
extremly good sex that weve all been denied.
start listening to more mindless self indulgence, people!!
by TheShit July 01, 2004
A word first popularized as the title of a song by the band Mindless Self Indulgence; the act of completely enthralling intercourse.
I've been denied all the best ultrasex.
by Dennis Clark September 26, 2004
Like Sex but much, much better. All participants wear capes.

It is a common misconception that this is just another synonym for buttsecks. I assure you, it is not.
Man, having ultrasex last night was one of the most euphoric experiences in my life... until my cape got snagged in her lady parts.
by Ultraman April 21, 2008
transcending sexuality in an active manner... term popularised by the MSI song "faggot"
ultrasex is quite co-existent with the concepts of active bisexuality, androgeny, transvestitism, or transexualism
by Darkynt October 13, 2005
A description for amazing sex.
I have ultra sex with Kait!
by Lukas Taylor July 12, 2006
Ultra sex-is having sex after a long dry spell or GREAT sex after being with inadequate parteners.
Im glad I figured out that shrimp dick bastrad was cheating because now im gonna have Ultra-sex with his best friend!
by FUk_up June 09, 2009
a term popuralized by MSI and a quote from the porno flick parody of a clockwork orange, titled:
"a clockwork orgy"
"This would sharpen you up and make you ready for a bit of the old ultrasex"
by Ichi1 April 25, 2012
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