Microterrorist is well, a microterrorist.
Kacchussy is uh..... the fandom term for a certain part of Katsuki Bakugo from My Hero Academia.
Dih fiddler means a person who touches
other people's...penises, usualy penises.
L rizz means
negative rizz no charisma
So it basically means "You don't get the girl" but the more literal
translation is "You are a perverted terrorist that commits felonies and no one wants to sleep with you."