Top Definition
The sound made when you thwack something or someone with something twangy or when you hit something with an item like a Baseball bat with enough force to make the item whistle when it swings through the air.

Also can be used to emphasize a point, kinda like "oh snap" or "hell ya!" (but rarely)
1) Joe: Hey Mike! Whats with the metal rod?

**Fw'Pam!**

Mike:You talkin to me?!

2)Jake: Hey man, I just got me a brand new VW!

Jesse: Fw'PAM!
by Crack_Shack December 19, 2009

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