noun
good-for-nothing; loser; useless person
Kansai dialect term for a person who is hopeless, incompetent, or worthless. Often used in a teasing or affectionate way among close friends, but can be insulting depending on tone.
あいつはほんまにあかんたれやなあ。
That guy is a real good-for-nothing, isn't he.
そんなことで泣くな、あかんたれ!
Don't cry over something like that, you loser!