Running an errand B1
Popping out for something you've run out of, while someone covers for you.
pop out — leave for a short timeI'm just going to pop out for some milk, back in five.
nip to B2 — go somewhere quicklyI'll just nip to the loo, won't be a minute.
run out of — use all of something upWe've run out of milk, can you grab some?
Out of milk
A: We've run out of milk again.
B: I'll nip to the shop, we need bread too.
A: Could you pop out now before it shuts?
B: Yeah, won't be long, back in ten.
Covering the desk
A: I'm just going to pop out for a sandwich.
B: No worries, I'll cover the phones.
A: Cheers. We've run out of coffee too, shall I grab some?
B: Please do, we'll never survive the afternoon otherwise.