if you call someone a clunker it is the worst insult you could ever through at someone.
1.It can mean a specy person,
2.a thick person,
3.someone who gets bullied and dosnt stand up for his self,
4.someone nobody likes
5.someone who shits out of stuff
6.if u beat someone in a game and they dont score a point.
1. "fuck off clunker"
2. " that grahams pure clunker"
3. " i think its sad for that clunker boy "
4. " Shut it ya clunker "
5. " u pure clunkered that "
6. " i just clunkered u "