(Pronounced like the fish; "bahs")
Bass Acquisition Syndrome; originally Guitar Acquisition Syndrome (See "GAS"). GAS was a need for guitarists to constantly acquire more and more guitars, often despite quality; this has now evolved, causing a strain to effect bassists.
"That dudes got fucking B.A.S., he's got 6 shitty bass's sitting in his garage, and only the one he actually plays!"
by The Real Herby May 11, 2009
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1. Usually the start of ba-dum tsst: an ending to a joke

2. It is the sound of a sheep
"Aren't sheeps so funny, always ba ba-ing away"
ba-dum tsst.
by TheTotallyNormal March 11, 2022
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This word literally means "bad" but is also a name
Def1 Yo Ba, whatcha doin?
Def2 Bro this guy is so Ba he just let me break his bed
THIS HOMEWORK IS SO BA! ITS HIGHSCHOOL LEVEL, WE'RE IN 1ST GRADE!
by BABAGANUJPFALLAFLE/BA January 14, 2021
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A Ba is a chap from the town of Wexford in County Wexford, Ireland. He's extremely sound, hard working and a helluvalotta fun to be around. Loves his films, football and family.
"Ah, howaya Ba!? Are ya workin' lately?"
by Deathbystereo667 October 10, 2021
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Means happiness, say it when you’re bored or if the mood is not the best. It can be used after a name as well like “James-Ba” to indicate a friendly and happy tone to a person when greeting. Came from Guoba which is a very cute character, and is the beacon of happiness. Guo-Ba
Hey bro I’m Ba today” “oh hey Ciara-Ba, I love your hair”
by Haruka Kiyosuke December 19, 2021
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Make sure you Ba today at the store.

If you dont want the clap, make sure you Ba!
by sheeppp September 18, 2020
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Formal name for Barbie. Name of a Beach Boys Record about a rockin and rollin female. A catchy tune, for sure.
Went to a (dance)...looking for (romance), saw barbara ann and i thought i'd take a chance, oh barbara ann, ba ba ba ba ba bra ann
by ba ba ba ba ba bra ann February 3, 2010
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