Stutter clients

Stutter Clients are people that make you want to say "Did I fucking stutter"

Coworker: "That seemed like a long phone call"
You: "Yeah, had to tell them when our next available was three times"
Coworker "Fucking Stutter Clients"

Undercunt

Cunts that undercut the turns while driving

Friend: "You right there?"
You: "I just had some cunt try to undercut a turn and the nearly took the bonnet off my car"
Friend: "gotta love Undercunts"