One who slits. This could be by working excessive amounts of time on mtuual fund tax provisions or on any other related slit material.
The person doing the slit work is the slitter.
"Wow, Shaun hasn't easten lunch all week he just works straight through...what a slitter"
"All this guy is does is work, he has no life he's miserable! What a slitter.
5👍 5👎