What do you Call a Sad Cow?!
A-moo-moo
A-moo-moo
What do you call a sad coefficient of friction?
Amumu.
What do you call a sad yeti?
Anunu
I love these... 
What do you call a boxer going up a flight of stairs?
Muhammad
Ali-Stairs
If
trips and falls on an ice skating rink while wearing a dress...
The mu of amumu's muumuu is low.
If the pokemon he had in his pocket then bites him for his ineptitude...
We might hear the mew of amumu's muumuu mewto.
Oh my gawd did you just XD
I KNEW THIS WAS COMING. I KNEW IT
Sounds more like a sad ghost (Filippinos should get this)