A reference to a type of old-time slapstick humor reminiscent of serious but clueless peopleslipping on banana peels, causing a surge of wildly insensitive hysteria on the part of onlookers.
His whole being, starting in his early youth, was rooted in banana slapstick reality and this caused him to feel like an alien in this day and age.
A girthy, manly, testosterone fueled mad man. Do not fuck with him he will slap you so hard you will ascend to the fifth-dimension and immediately die.
Girl: me me want big boy Me: Guess what, me me slapster fapster Girl:*cums everywhere (in the fifth dimension)*
Me: yes.
Girl:*fucking dies*
Judging by dimensions
Disliking something someone likes
etc.
Real example of shapist
shapist: (insert shape here) is better than every other shape. I think that (insert different shape) people are disgusting and horrible and should die.