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).
(plural thrashings). 1  action of the verb to thrash. 2  a beating, especially a severe one. 3  A heavy defeat. ( 4 computing) excessive paging within virtual storage. ( 5 dance) slam dancing.