An obese person whose body fat exceeds the usual capacity of a seat on public transport: ONE butt cheek PER seat.
Hey, Annie! Check out that ONEPER who just sat down over there! They should definitely pay for two tickets.
it's one punch man but it's also one piece
Guy 1: hey, do you like onep?
Guy 2: Yeah! I pirate animates !
Guy 1: '????????? wth? it's not a pirate animate
Guy 2: : '?????????