Unfunner

Something that is not fun whatsoever

J: Yo, let's jizz all over the wall bruv.
M: Nah, it aint wurf bruv
J: You're so Unfunner}

by penisslayer333 June 16, 2017

Unfunerous

To be very boring or not amusing

Homework is unfunerous

by Elliot Iddon March 26, 2008