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A word meaning hello. It is commonly used by French speaking Canadians, predominantly found in Quebec. It is used interchangeably when speaking English or French.
Allo, commence ca va?

Allo, how are you?
by DynamicEyes December 19, 2006
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May 3 Word of the Day
Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)
Monica: Oh yay! I made a new mutual today because we started following & talking to eachother on twitter and we like eachother (so it seems).
by qtheresurrection March 25, 2015
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3
An exclamation a woman uses when she spots an attractive male
"Megan, check out your 10 o'clock" "Allo! He's hott!"
by ScubaStacy January 12, 2016
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5
French and Canadian word used when phoning people over to confirm you've picked up the call or to check if someone did.
Very widespreadly used in Frane in the fixed telephone days.

Can also be used as a substitute to WTF (less common)
If you call :
- Allo ? It's me, is mom here ?
If you pick up the phone :
Allo ?

As a wtf substitute :
- Jen is getting married even though Adam cheated on her 10 times !! Allo Jen ? Wake up ??
by FondueFan April 10, 2021
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