Question

I don't understand this joke - explain?

Frappe frappe.

Qui est la?

Loste.

...Loste qui?

Oui!

Answers

he's knocking on the door because he lost his key (loste qui)

#1

loste qui? sounds like "lost key". Oui - yes!

they lost their key so they have to knock on the door!

#2

don't worry, I don't understand it either...AND I speak French semi-fluently!

#3

Why don't you get that? It's hilarious!

#4

I think it's supposed to go

Frappe frappe. Qui est la? Liste. Liste oui? Oui!

#5

Looks like a knock knock joke to me

#6

Knock knock. Who's there? Loste. ... Loste who? Yes

#7

me niether

#8