Mediocre
Commonplace, Banal
noun, な adjective, の adjective
ぼんよう
一般 (いっぱん) General, Common
一般的 (いっぱんてき) Ordinary, General, Common
平凡 (へいぼん) Common, Ordinary, Mediocre
凡庸 (ぼんよう) Mediocre, Commonplace, Banal
The Mediocre guy tried to bone ぼん yo よう wife.