flub something up

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

Name	Pronounced	Usage
Ruarc	-	Irish
Sudhir	-	Indian, Marathi, Hindi, Kannada, Telugu
Zahra	-	Arabic, Persian
Huguo	-	Ancient Germanic
Ulriikka	OOL-ree:k-kah	Finnish (Rare)
ÁSketill	-	Ancient Scandinavian