look up any word, like ratchet:
 
1.
Often added to the end of something to signify 'to a great degree'.
Dude, he was drunk something fierce last night.
This meat stinks something fierce, throw it out!
by Zero March 14, 2004
 
2.
in a harsh and pronounced way, severely
If you don't put on sunscreen before going outside bare chested, you'll get sunburned something fierce.
by Light Joker June 13, 2007