A guy or girl who is acting like a Scardy Cat. Essentially the same thing as Pussy Boy, but you say boy like a Southerner or Negro (boi) to taunt the person even more.
Wes - You wanna go out tonight?
Cory - No man, I might just hit the gym and have a sauna.
Wes - Ya o.k. whatever you little pussy boi!
Bitch pussy boi is a male or female ( excluding other genders) are type of person who are so scared that they run exactly 1 second before any kind of danger happens.
When one is going to a destination or doing something that some consider to be boring and many consider to be done by "pussys" , or weaklings or basically geeks.
Damien: Yo David wagwarn tonight bruv?
David: dunno man feeling ta reach danext mans party from science class
Damien: Na allow da dats a "pussy boi flex" ent nuttin gon be dwn there jus sum pussy holes