1. To thrash a person or thing is to harm them severely
2. To thrash a car is to
drive it harshly & disrespectfuly
3. To thrash an opponent in a competition is to win by a large
margin
4. To thrash a woman is to penetrate her forcefully, with your penis or otherwise
5. A genre of short fast and loud music
1. Do that again and I'll give ya a thrashing!
2. I
thrashed my parents' car when they were on holiday.
3. We'll thrash ya in tonight's game!
4. See that blondie over there?
Thrashed her last night ay.
5. Oi, i feel like
headbanging, put that Slayer album on.