"Dick In Mouth" or "D.I.M" is an acronym for someone(usually a guy) whos is basically an idiot, acts like a retard or is simply a dumb fuck and would look better with the "dick in the their mouth"
"Hey dick in mouth , what the fuck are you doing over there? You gonna get that done or pound salt up your ass?!"
Pretty self explanatory. When something sucks or blows or is just dumb. Can be used as a play on words.
Example 1:
Arianna: You're an asshole.
Robbie: What?
Arianna: You're an asshole.
Robbie: What?
Arianna: You're an asshole.
Robbie: O i couldn't here you on account of Dick in Mouth .
Examlpe 2:
Teacher: Today we are going to talk about our feelings.
Student: That's so Dick in Mouth .
Example 3:
Fred: When i was little, i fell down the steps and knocked out all my teeth and that's why i talk with a lisp.
Brianna: O thats def D.I.M.
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”
Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.