A cow-culator. haha haha ha... ok, I'll leave.
If you leave the yogurt for 100 years alone, it develops a culture.
Rustle
Beef jerky What do you call a cow with no legs? Ground beef
Because the cow has the udder
Because he likes to Count.
Yesallwomen
With a cow-culator! (Rimshot)
A cow-culator! (Cue groans)