The term Dumm-yatt is frequently used in Scotland . It is the Scottish equivalent of Mong , Mongo , Dumb ass . It is used to describe someone stupid. Dumm-yatt can also be used to describe someone who fails at life.
Example 1
Person 1 : “aww damn I just dropped my hot dog!”
Person2: “you're sucha Dumm-yatt!”
A german saying of sportsmanship. it's hard to directly translate, but the rough meaning is: "Whoever i may face, i give you my respect, as not doing so would be stupid"