Code word for Danger as explained in the series "Friends"
Joey: Well, you wouldn't let me in, so I thought you were in trouble.

Chandler: Well, we're not.

Joey: But you called me 'Bert'!? That's our code word for danger!

Chandler: We don't have a code word.

Joey: We don't? We really should. From now on, 'Bert' will be our code word for danger.
by Emma79 December 21, 2014
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A dialectal term for cigarette. Popular in North Lancashire and South Cumbria - may also have found its way to South Wales and parts of Manchester. Derived from the popular brand Lambert & Butler.
Winston: How many Berts can you smoke in twenty minutes?

Royston: At least twenty Berts, Marra.
by Bert420 May 10, 2012
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verb: to flail, squee, generally get excited by anything adam lambert does, wears, sings, is around.
omg adam lambert is at the party!" "time to bert!
by glitterlife April 13, 2011
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Similar to Rinsed; it describes someone who has just been made to look like a fool. This can be for many reasons, such as of losing an argument, not coming up with a good comeback to an insult, losing a competitive game or generally messing up.

Its thought that its usage comes from the well-known wit of Chris Lambert, a CBBC host in the early 90's famous for his put-downs.
'Your mum's a slag!'
-No response
'Dude, that guy totally berted you'

'I lost at one touch one bounce'
'Yeah, you were berted pretty bad'

'Take one step closer and I will bert you'

'Its a fine line between looking cool and looking as if you've been berted'

'I dont like your friends- they kept berting me.'

'Bert you!'
'Bert off!'
by ShanHasan May 13, 2009
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I mean, come on, BERT and ERNIE have been living together since 1969. Something is up.
by SuperSonicX September 18, 2005
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A random dude who remains nameless to you, usually at a party or other gathering.
Yo Bert, is that your half-empty beer?
by foozebox August 3, 2005
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A way of dancing, Twirl your hand and the opposite foot in a counter-clock wise movement of circular motion. while standing on one foot.
Dude, I can't dance good all I know is The Bert. Its funny, but not that cool at all.
by SuperSaintMan April 16, 2010
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