Translated from Chinese's 不三不四,which literally means "not three not four", and metephorically means you're talking non-sense or that this topic of conversation is not based on truth.
Bob: What is he talking about, mountain people mountain sea?

Vincent: Iono man, he's just being not three not four.

Jessica: Hey have you heard about bob's new boyfriend?
Tiffany: Oh stop talking about that not three not four stuff!
by King_Bruce September 18, 2013
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a sexual position involving one male and two females, the male is to stand upright infront of a bed or table while a female is facing up. the man is going vaginal on female number one ( on the table or bed) and female number two has her vag up on the mans face and her legs are on his shoulders. female number 2 is faced down kissing female 1 while both of their vaginas are played with by the man. this position looks like a 4 ....therefore..... its a three some making a four....THREE SOME FOUR!

it is also the name of a upcoming band from baldwin park (its spelled 3 somefour)
" dude two chicks and me jus had a three some four last night.....i pleased two chicks at one time!!!"

"oh man i cant wait for 3somefour to play at madd matt's house this summer....they give me a musical fungasm!!!"
by brainrotter June 21, 2009
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1. I felt uneasy at the party; it was full of people who were neither three nor four.

2. Mum doesn't want me to mix with those people; she thinks they are neither three nor four.
by Y Zeng October 7, 2003
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The fourth of March, a holiday devoted to the continuous smoking of marijuana. Similar to 4/20, but cooler.
This was the best Three-Four ever, I can't wait 'til next year!
by Torch October 21, 2003
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(work) not done properly; (person) not qualified to do certain things; not decent company
He is not a proper plumber; your toilet will be neither three nor four if you let him do the plumbing for you.
by Y Zeng October 5, 2003
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Thai bar girl slang for a Japanese male customer.

1. Four inches
2. Four minutes
3. Four thousand Baht (Thai currency)
three fours:

Bar Girl: Tonight I lucky. Have man Japan - three fours!
by mark e. d'sade August 24, 2009
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David: Bro, how much did you drink last night!?
Troy: Dude, I pulled off a three four five.
David: Your were shit faced.
Troy: Fuckk.
by Dwood93 June 26, 2011
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