Best joke ever

[Sandvich]

1:Knock knock
2:whos there
1:interuptting cow
2:interp-
1: MOOOOOOO

[Ad Bot]

[DrenDran]

knock knock
whos there
the police, unfortunatly we're here to inform you that your wife has been hit in a crash by a driver we presume was under the influence of alcohol, and her condition is as of yet uncertain
-----

[Bahamut]

1:Knock knock
2:whos there
1:interuptting cow
2:interp-
1: MOOOOOOO

oh god
that's hilar-
MOOOOOOOOOO

[Plasmus]

oh god
that's hilar-
MOOOOOOOOOO

HEY YOU cigarette GIVE ZERO'S AVATAR BACK YOU AVATAR THE-
MOOOOOOOOOOOOO

[Vegetarian Zombie]

what the forget is going on in-
MOOOOOOOOOOO

[MegaScientifical]

Knock Knock
Who's there?

[Supersylox]

Knock Knock
Who's there?

aaww hes adorable!

[IkeTheGeneric]

knock knock knock

you are then arrested by the soviet authority for showing individuality by having three knocks instead of two

[Watcher In The Myst]

1:Knock knock
2:whos there
1:interuptting cow
2:interp-
1: MOOOOOOO

did your school show you the fish philosophy

[Vegetarian Zombie]

knock knock knock

you are then arrested by the soviet authority for showing individuality by having three knocks instead of two

this beats OP's joke by far
+3 respect

[Mega-Bear]

moo--

MOOOOO--

MOOOOOOOOOOOOOOOOOOOOOO

[Roknrollwill]

1. Knock knock
2. Who's there?
1. Police
2.(Opens door)
1. we arrest u
2. o no

plot tweest

[IkeTheGeneric]

spoiler alert: the interrupting cow dies at the end

[viper30000]

1:Knock knock
2:whos there
1:interuptting cow
2:interp-
1: MOOOOOOO

http://www.youtube.com/watch?v=bn1-M5Ze0p8

[CopBlock]

oh god
that's hilar-
MOOOOOOOOOO

wow you stole my steam avatar noob -_____________    -