Peacocking is a term that was used in the early 2000's in the online seduction community. They believed that if you dressed a bit outlandishly you could attract the attention of a woman and hence maybe have the opportunity to mate (have sex) with her. Very much like the peacock itself attracts a mate.
I'll let Wiktionary define peacocking for you:
Ostentatious dress or behaviour employed by a man in an attempt to impress women.
If you are still a bit confused by this all, let Howard Wolowitz explain it to you:
Do you get the idea?
You don't have to wear a flowery shirt or an eye patch, although if you do, please send me a photo, you just need to do something that is a little bit unusual.
Now, I must admit when I first heard of this I felt really anxious about the whole thing so rather than diving in at the deep end you could wear something a little bit different like wearing red socks or how about wearing different coloured socks like the following guy:
(By the way, this video in no way is a show of support for Bill Cosby in the ongoing sexual related allegations against him. It is just a way to show the different coloured socks.)
What are you going to do to stand out? What are you going to do to get the attention of people who seem to be endlessly looking at their smartphones?