Charizard tail
The words "charizard tail" means to cover the tip of your dick in oil and lighting it on fire (the oil).
Example: he gave her head with a charizard tail, then busted the charizard tail in her hair and lit it on fore by accident.
charizard's tail
When a guy uses gasoline as lube and gives anal sex to someone and after he finishes lights the gasoline and penis aflame while it's still inside his partner
Last night me and Stacy did charizard's tail.