yo just take any normal thing and twist it around....it jus depends on what u wanna say to the person....ex: if u gonna spit "im gonna hit and drop ya ass like a_____ thing of what drops ex: anvil, a weak boxer, drop the soap....those are bad examples but think about the concept of the line so the metas hit hard....

"i'll hit u back to the future like u was a blast from the past"...see
just stick with the concept of the line and u will start to develope ill metas.....stay up 1