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).
If, while running a MATLAB application, you find your computer is using little of the CPU, you may be experiencing thrashing. To detect thrashing on a Windows platform, use Windows Performance Monitor. On a Mac, use Activity Monitor.