flub something up

tv. to do something incorrectly; to mess up a procedure. Now don’t flub this up.

Name	Pronounced	Usage
Shaniqua	shə-NEE-kwə	African American (Modern)
Kusti	KOOS-tee	Finnish
Keoni	-	Hawaiian
Delwyn	-	Welsh
Aabraham	AH:B-rah-hahm	Finnish
Reilly	RIE-lee	English (Modern)