Learn a Word: Trounce

Do you know this word: Trounce? See if you can figure it out in the following sentence:

The company recently trounced its own second quarter earnings expectations on revenue, gross margin, adjusted EBITDA, and earnings per share.

Source: http://www.fool.com/investing/general/2013/08/23/big-oil-is-learning-to-love-solar-power.aspx 

Surfer_Diver
2013.8.24