Definition of obstruction for English Language Learners. : something that blocks something else and makes it difficult for things to move through. : the condition of being blocked so that things cannot move through easily.
The Thrasher. 1. The Thrasher-is a hand gesture with a sexual connotation. The pointer finger and middle are pointing straight up while the thumb is bent like a hook. The ring and index fingers are kept in a fist and the back of the hand faces outwards (away from the gesture).
In contrast, powered edgers may operate on any of a variety of methods, such as rotating wheel blades or thrashing wheels, which also operate to define a clear separation between a lawn and a hard surface. A basic gasoline lawn edger consists of an engine, belt tensioner, pulleys, and a blade.