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).
To a large extent thanks to the tape-trading scene and fanzines, thrash metal bands spawned all around the world, some of the biggest scenes being in Germany with bands such as Sodom, Kreator and Destruction, in Canada with Razor, Slaughter and Sacrifice and in Brazil with Sepultura, Vulcano and SarcÃ³fago.