noun, na-adjective
cheapskate; very miserly
Colloquial, emphatic form of けち. Used as a noun or na-adjective for a person who is extremely stingy.
あいつは本当にどけちで、一度もおごってくれたことがない。
That guy is a real cheapskate; he's never once treated me.
そんなにどけちだと友達をなくすよ。
If you're that miserly, you'll lose your friends.