you failed ur test, your such a dumb arse that boy's such a dumb arse  thats not a smart arse thats a dumb arse
1) a person who cannot answer anything in school  2) someone who is literally dumber than an [arse]  3) a type of donkey that is a slow learner
"you failed ur test, your such a dumb arse that boy's such a dumb arse  thats not a smart arse thats a dumb arse" What is the definition of "dumb arse"?