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).
Thrash metal emerged in the early 1980s under the influence of hardcore punk and the New Wave of British Heavy Metal, particularly songs in the revved-up style known as speed metal.The movement began in the United States, with Bay Area thrash metal being the leading scene.hrash metal emerged in the early 1980s under the influence of hardcore punk and the New Wave of British Heavy Metal, particularly songs in the revved-up style known as speed metal.