들러요 · 들렀어요 · 들를 거예요 · 들르세요 (ㅡ drops)
to stop by, to drop in
Example
집에 가는 길에 편의점에 잠깐 들렀어요.
I stopped by the convenience store briefly on my way home.
Word parts
Don't mix it up with 들리다 (to be heard), which sounds similar.
Good to know
It's 들러요, not 들려요: 들르다 just drops ㅡ and is not a 르 irregular.