tu tienigli

hold ... for him, keep ... for him

→ tenere
tieni 2nd-person singular imperative + gli to him
verb · 2nd-person singular informal Rare #43,669
hold ... for him, keep ... for him The ending -gli means “for him” or “to him.”
IT: Tienigli la borsa mentre entra.
EN: Hold his bag for him while he goes in.
Conjugation of tenere

Se hai tempo, tienigli compagnia.

If you have time, keep him company.

— Ip Man (2008)

Tienigli indietro la testa.

Hold his head back.

— La storia fantastica (1987)

Tienigli la testa con delicatezza.

Hold his head gently.

— La società della neve (2023)

Tienigli un momento il cane.

Hold his dog for him for a moment.

— Amores perros (2000)