Origin : created and defined by musicians in Vienna.
1. "Shut up, or I'll thrunge your anus with my Land-Rover"
2. "Stop being so ugly, or I'll thrunge your nostril with a baseball bat"
Also used as a definition for a sexual fetish, (although such use is rare) ie:
1. "I feel like thrunging my urethra with Michelangelo's David"