Top definition
An exclamation used when something awesome has just happened.
Slamacow! That was tops! Who's not good at math? I was all "four!"
by Finn the Human Boy January 15, 2011
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
2
An expression used when something surprising or upsetting occurs.
Ex. 1:
16-year-old girl - "Mom, I'm Pregnant."
Mother- "SLAM-A-COW!"

Ex. 2:
*Baker drops wedding cake on the ground*
"Slam-a-cow!"

Ex. 3:

Girl - "I don't want to have sex until I'm married."
Boy - "Slam-a-cow!"
by raindropkisses October 02, 2010
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug