Opportunity Knocks But Once Idiom American Expressions and American Idioms - What does Opportunity Knocks But Once Idiom mean?

This database is a comprehensive collection of all the American idioms and slang available. American Idioms are many and varied. We hope you enjoy our collection. We are adding more all the time. .

Opportunity knocks but once What does Opportunity knocks but once mean?	This idiom means that you only get one chance to achieve what you really want to do.
	Some Random Idioms
mark time (to music) What does "mark time (to music)" mean?	move one`s feet up and down to music	He was marking time to the music as he was driving his car.
fed up with (someone or something) What does "fed up with (someone or something)" mean?	to be disgusted or bored with someone or something	I think that the worker is fed up with the constant complaints of his boss.
nothing but skin and bones What does "nothing but skin and bones" mean?	to be very thin or emaciated	The young man was nothing but skin and bones when he returned from the camping trip.
at will What does "at will" mean?	whenever one wants, freely	The little boy was able to do what he wanted at will.
By cracky What does "By cracky" mean?	A term used by rural folks in years past to emphasize a matter of importance or urgency. An example: 'By cracky, you need to get out there in the field with that mule and plow and finish the sod-busting before dark.'
Keep your hair on What does "Keep your hair on" mean?	Keep your hair on is advice telling someone to keep calm and not to over-react or get angry.

get down to the nitty-gritty What does "get down to the nitty-gritty" mean?	to get down to the facts	The teacher called us into her office to get down to the nitty-gritty of what had happened earlier.
choose sides What does "choose sides" mean?	to choose from a group of people or players to be on opposing sides of a debate/fight/game	We had to choose sides before we played the game.
bitch What does "bitch" mean?	frustrating, annoying activity.	This job's a bitch.
not a dry eye in the house What does "not a dry eye in the house" mean?	everybody in an audience feels sad or emotional or cries	There was not a dry eye in the house when the manager gave her farewell speech.
At your wits' end What does "At your wits' end" mean?	If you are at your wits' end, you have no idea what to do next and are very frustrated.

American Idioms and Expressions

Opportunity Knocks But Once Idiom