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USA slang
Unexpectedly; without warning.
Safe to use?
Usually safest with people who already understand the context.
Tone
Casual and context-dependent.
Region
USA
Formality
Informal.
Context Decoder
Check what it means in context, how it sounds and whether it is safe to use.
out of the blue means Unexpectedly; without warning. It is best read as usa slang associated with USA.
"out of the blue" means Unexpectedly; without warning. In USA, the nuance may be more specific.
Casual and context-dependent.
Usually safest with people who already understand the context.
Context-dependent
To sleep somewhere unexpectedly; to fall asleep quickly
Someone who eats a lot or always thinks about food; 'big back behaviour' is greedy-eati...
Crying (usually from laughter); 'son I'm crine' means 'that's hilarious'
A young person, kid, or younger sibling; someone inexperienced
Teen aesthetic with scrunchies, hydro flasks, and casual preppy style
I swear; emphasizing sincerity or seriousness about a statement
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SlangWatch entries are maintained by the SlangWatch Editorial Team using submitted examples, regional labels, tags, and ongoing reader corrections. We avoid claiming a precise origin or cultural pathway unless the entry has meaningful supporting data.