1. Abnormally large beaver, usually leader of a group. They can be distinguished by their huge, sharp, Spongebob like teeth.
2. Adjective describing an abnormally erect penis, usually in embarrassing situation.
1. Dude, last night a Woodsy totally crashed my car window.
2. The teacher started yelling at him and he kept getting woodsier.
Five people are leaving a building all at the sametime, one person says hang on a minute I need a Woodsy. When in fact they have had all morning to go to the loo.