ああ言えばこう言う (ああいえばこういう) Japanese meaning | KotomoraMeanings
1
expression, godan verb (-u)
have a comeback for every remark; always ready with excuses; contradict everything
idiomatic expression
Describes someone who always has a retort, excuse, or contradictory reply, often in a negative or argumentative sense. Used as a set phrase.
ああ言えばこう言う人と議論するのは疲れる。
It's tiring to argue with someone who contradicts everything you say.