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The opposite of (or perhaps, precursor to) Intercourse.
"I was ready for an all-nighter with that redhead, but had to settle for intracourse instead."
by Mr C. December 10, 2003
making beautiful,meaningful love to oneself.Or wanking into a dirty sock.Whatever...
I had the greatest time last night going out on a date with myself!By the end of the night I had my pants pulled down and was having sweet Intracourse with yours truly!
by Rod Fury November 19, 2006
When co-workers engage in sexual intercourse
"What? Are you saying Susan had sex with Ryan in accounting?"

"Yes, they had intracourse."

"That's unbelievable."
by stevehappens April 26, 2009