A state of mind during intercourse where a person thinks they possess unsurpassed sexual expertise and pleasure giving ability that they forget who they are with and call out their own name.
Steve: "Oh! Yes! Give it to her Steve!"
Lacy: "What the fuck!?"
Steve: "Sorry, I was being a little fuckissistic, wasn't I?"
Lacy: "What the fuck!?"
Steve: "Sorry, I was being a little fuckissistic, wasn't I?"
by The porn stache December 9, 2009