じいちゃん

grandpa, grandfather

→ 爺ちゃん
noun Rare #35,003
grandpa, grandfather An informal, affectionate term, often used by or when speaking to children.
JA: じいちゃんは将棋が強い。
EN: Grandpa is good at shogi.

僕のじいちゃん週末になるとビールを飲んでたなぁ

I remember my grandpa used to drink beer on weekends.

お前のじいちゃんがくれたあの車まだ運転してるの

Are you still driving that car your grandpa gave you?

草太じいちゃん聞くしかない

(Sota) I guess we have no choice but to ask Grandpa...

— すずめの戸締まり (2022)

じいちゃん

Grandpa

— コーラス (2004)