When you get on the dance floor and while having a serious dance battle with your homie, a couple of groupies walk up and you proceed with intercourse intertwined with very serious and complicated dance moves
"I was getting down with Mike on the dance floor when Keisha came up and we started complicated sex moves"
when you insert your penis through any gash and or hole (most likely belly button or ear) in a woman/male while he/she fingers your anus while having a heated verbal debate on current politics
Jim: hey you hook up with that girl from the bar?
Kyle: yeah boooiiii I gave her dat complicated 8 homie
Someone who is more or less a boring person with a very normal, soft comfy life. They consider themselves special, and create unnecessary drama to make things more interesting for themselves.
Have you seen Mad Men? Betty Draper is such a complicated cat. very important with very little to do.