Fetching details from the dictionary...

idiot; moron; fool
stupid; foolish; dull; absurd; ridiculous
trivial; insignificant; disappointing
malfunctioning; defective; losing sensation
incredibly; unusually; exceptionally
fervent enthusiast; nut; person singularly obsessed with something
Mactra chinensis (species of trough shell)
馬稼にしないでちゃんと聞いて。
Don't brush me off, listen properly.
馬稼なことばかり言って困る。
It's a problem that he keeps saying stupid things.
馬鹿にされて悔しかった。
I was frustrated being made a fool of.