Meaning:
air cover 
n.
the use of military aircraft to provide protection against attack by enemy aircraft during ground or naval operations
it ain't over till until it's over Idiom, Proverb
all over but the shouting
(See it's all over but the shouting)
all over hell's half acre
all over the place, everywhere I left the gate open, and the cows are all over hell's half acre.
ass over teakettle
falling over backwards, head over heels The cowboy knocked him off his feet - ass over teakettle!
be over
" be finished; end."
below the poverty line
not earning enough to survive, very poor, as poor as a church mouse If husband and wife are earning minimum wage, they're living below the poverty line.
bend over backwards
do anything to help, try to please, go the extra mile They'll bend over backwards to find a room for you. They give excellent service.
bend over backwards to do something
try very hard If I can, I will bend over backwards to help you get a promotion in the company.
blow me over
"it is unbelievable; far out" He's over 50? Well, blow me over!
blow my cover
reveal my true identity, reveal my hiding place With a false passport, I can enter Bali, if nobody blows my cover.
blow over
die down or calm down The problem with the lost invoices has finally blown over and everyone is working hard again.
An it ain't over till until it's over idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with it ain't over till until it's over, allowing users to choose the best word for their specific context.
Dictionary of similar words, Different wording, Synonyms, Idioms for Idiom, Proverb it ain't over till until it's over