Peacocking is the action or actions exhibited in the beginning stages of courting. These actions are typically only temporary and exist during "the chase" of a mate. Much like a male peacock displaying his fruitful colors of his feathers to capture the attention of a mate.
For example, Bob, while dating Jane, paid for dinner, brought her flowers & candy, won prizes for her. However, after confirmation of a mutual relationship (boyfriend/girlfriend) all actions taken to impress Jane are now gone. Ergo, Bob was peacocking. courting dating
Peacocking means dressing for attention. Just like Peacock's use their feathers to get a mate.
Peacocking is meant to make opening a girl easier, but if you're not congruent with your look (like, if you look like you're gay and you try to hit on a girl), wires are gonna get crossed somewhere and you're gonna blow yourself out.
Generally when someone makes it blatently obvious that they are proud of something, like a peacock opening up its feathers. The term is used to state when someone is beginning to get annoyed at the person who is arrogantly proud.
Male 1: did you see how many girls I got with last night!?
Male2: Dude, they were all relatively ugly.
Male1: I could have slept with all of them if I wanted too.
Male2: Jesus christ, stop peacocking!
When a guy, traditionally with a big nose, puts his nose into a women's vagina until she orgasms. This usually involves some sort of nose plug and must be performed by someone who is able to hold their breathe for long periods of time.
Guy: Hey Guy 2 how'd it go with Sarah last night?
Guy 2: Oh it was great. She let me peacock her.
Guy: Dude that's Awesome! I wish I was you, but I don't have a big enough nose for peacocking, anyways.
The act of writing on someones facebook wall to make either yourself or your friend seem more fun/cool/witty/popular. It is often done with the intention of someone in particular reading it.
Q: Why did Sarah write that on Janes facebook wall rather than just text her?
A: She was obviously peacocking
Jane: I really want Max to think that I am moving on!
Sarah: Don't worry, I will peacock you later about last night
She makes you open your legs, dangles your cock and then makes you piss from the right leg to the left leg giving the sense that you are revealing your feathers therefore making it the peacock!
Guy: I'm better than you!
Girl: Shut up before I start peacocking you!
Brad: Man his hair is really peacocking
David: Looks like he just got out of bed.