Knock knock!
Who's there?
Louis.
Louis who?
Louis Hu, Equities Research.

Knock knock!
Who's there?
Mama say, mama sah, mamak.
Mama say, mama sah, mamak who?
Mama say, mama sah, mamak who sa! (hee hee!)

Knock knock!
Who's there?
Fuck you.
Fuck you who?
Fuck yoo hoo is a rather strong position to take against chocolate milk.

Knock knock!
Who's there?
Impatient misogynist frog.
Impatient misog-
RIBBITCH!