Ryuziki Lawliet is a fictional character, Nicknamed "L" from the Japanese Anime Death Note. The name is used as a reference to someone whom is extremely paranoid and or mentally psychotic to an extent.
Ki: We nicknamed a mental patient in the asylum L. He's just like Ryuziki Lawliet.
The definition of "Kapow Bitches" is basically used by comic fanatics whom like to exclaim how they have just done something they find amazing or unable to be done by surrounding people, And is concidered a true act of Narcisism.
Al:Ugh, Marty is doing his lame parkour 360's again.
Marty: Kapow Bitches! Get Rekt!
A "lil shitdick" is a person who has a Dick the size of a needle and regularly acts like a piece of Shit who is usually short, Making them angry of their height. Basically a overhyped version of an angry Midget.
Greg:What happend at the bar last night?
Tim:Some lil shitdick tried to fight me, He was a short stack of pancakes-4'5