Eejit

An Irish slang term for an idiot, often used when someone lacks cop on or common sense on the road

Person 1: A guy turned at an intersection without using his indicators
Person 2: What a fecking Eejit

Cop On

Irish term for common sense, the ability to recognise something and do it because you should just know how and when to

Person 1: What am I supposed to do again

Person 2: For Christs sake, would ya have a bit of cop on