何言ってんの

what are you talking about?

→ 何
phrase Uncommon #9,224
what are you talking about? A casual contraction of 何を言っているの. Often expresses surprise or disbelief.
JA: そんなこと、何言ってんの?
EN: What are you talking about?

何言ってんの

What are you talking about?

— ブレット・トレイン (2022)

何言ってんの?

What are you talking about?

— レオン (1994)

それとも…君が夢か何言ってんの?

Or… are you dreaming? What are you talking about?

— Godzilla Minus One (2023)

何言ってんの俺…

What am I even saying…?

— 映画 聲の形 (2016)