Welk boi is someone that lives in Immingham. He is highly intelligent but often comes out with stupid things without thinking, possible because his brain is overloaded with other things ;)
Often accompanied with the word loltard i.e - loltard welk boi!
ie - a welk boi would say - "You've tripped on mushrooms? Why would you trip over mushrooms?"
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.