Monoshipper
A shipper who, as opposed to a multishipper, only ships a character in one pairing.
"Do you like Bakudeku?" "No, sorry I'm a Tododeku monoshipper."
Monoshipper
A person who ships the typical characters but forces others to also ships those characters.
Person A: I ship El and sam from Stranger Things!
Person B: Ew, you shouldn’t ship that. El and Mike.
Person A: ok monoshipper
Person B: Ew, you shouldn’t ship that. El and Mike.
Person A: ok monoshipper