english
1
general::
Phrase(s): flub something up to mess something up; to ruin something. • I saw you play in the tournament last Friday. You really flubbed it up, if you don’t mind me saying so. • You really flubbed up the tournament.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Phrase(s): flub up to make an error. • I flubbed up again!
McGrawhill's American Idioms And Phrasal Verbs