行っといで

go on, go ahead (and go)

→ 行く
verb · informal Rare #31,800
go on, go ahead (and go) Casual spoken form, often used to encourage or tell someone familiar to go somewhere or do something.
JA: 時間があるうちに、買い物に行っといで。
EN: Go shopping while you still have time.
Conjugation of 行く

先にトイレ行っといで。

Go to the bathroom first.

友達と一緒に遊びに行っといで。

Go out and have fun with your friends.

まずはシャワーに行っといで。

Go take a shower first.

さあ、行っといで。

Go on, off you go.

油断せずに力を合わせて行っといで!

Stay sharp, work together, and go!

— 君たちはどう生きるか (2023)

お店が閉まる前に行っといで。

Go before the store closes.