ты попридержи

hold on to it for a moment, hold back for a moment

→ попридержать
по limited or one-time action + при toward, near, or attached to; bringing about an added or completed result + держ to hold (in one’s hands), to keep/maintain (a position or state) + и 2nd-person singular imperative
verb · second singular · imperative Rare #49,778
hold on to it for a moment, hold back for a moment Informal singular command (to one person); often means “wait a second” or “hold it (back) a bit.”
RU: Попридержи дверь, пожалуйста.
EN: Hold the door for a moment, please.

Попридержи язык.

Hold your tongue.

— Семь Самураев (1954)

Попридержи коней.

Hold your horses.

Попридержи язык, Том.

Watch your tongue, Tom.

Попридержи свой язык.

Watch your tongue.

— Делай как надо (1989)