if there's grass on the pitch, play ball

Proverb

vulgar

(vulgar, potentially offensive) Once someone has grown pubic hair or started puberty, they are old enough for sexual intercourse.

Japanese Meaning

（卑猥で攻撃的な表現として）陰毛が生え始めたり、思春期に入った時点で、その人物は性交渉に足る年齢と見なされるという意味。

Many readers today find old proverbs such as if there's grass on the pitch, play ball offensive and harmful.

「グラウンドに草が生えているならプレーを始めよ」のような古いことわざは、不快で有害だと考えられています。

Sense（1）

(vulgar, potentially offensive) Once someone has grown pubic hair or started puberty, they are old enough for sexual intercourse.

if there's grass on the pitch

（ canonical ）