外で待ってる

waiting outside

→ 外
phrase Uncommon #11,532
waiting outside Informal contraction of 外で待っている. Depending on context, it can describe someone who is waiting outside or imply that the speaker is waiting outside.
JA: 友達が来るまで、外で待ってるね。
EN: I'll wait outside until my friend arrives.

なぜ外で待ってる

Why are you waiting outside?

なんでトム外で待ってる

Why is Tom waiting outside?

メアリー外で待ってるんだよね

Mary is waiting outside, right?

トムなら外で待ってる

Tom is waiting outside.

メアリー外で待ってるんでしょ

Mary is waiting outside, right?

外で待ってる

I'm waiting outside.

— 灼熱の魂 (2010)

外で待ってる人がいる

There’s someone waiting outside.

子供が外で待ってる

The child is waiting outside.

— ストーカー (1979)

トムメアリー外で待ってる

Tom and Mary are waiting outside.

外で待ってる

I'll wait outside.