People who pronounce kettle as kekkle or Little as likkle......and don't even get me started on Americanisms like "must touch base" aaaaarrrrggghhhh!
People that describe the USA as 'the states,' could be the Federated States of Micronesia for all I know. or Man United as 'United' when not making it clear which 'United' they're talking about.
Add to that: they're The worst one of all for me, and I even see teachers writing it is "your" when they mean "you're" e.g. your welcome. Pathetic.