na-adjective
too much; excessive; over the top
Colloquial loanword from English, used as a na-adjective to describe something that is excessive, overdone, or too much to handle. Often used in casual conversation.
あの映画、怖すぎてトゥーマッチだった。
That movie was too scary—it was too much.
彼の冗談はいつもトゥーマッチだ。
His jokes are always over the top.