The anus. To 'push the a-button' is to engage in anal sex.
Q: What did you do last night?
A: I pushed your Mom's a-button!
Hiyo!
by RyanJeff&Dave January 2, 2008
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Person A: I think it's 6:45.
Person B looks at watch.
Person B: You're right on the button!
by swey May 21, 2006
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An old reference to a relatively small gathering of people, mostly friends, where about two-thirds of everyone's drinks are spiked with LSD, and the lucky individuals of the party trip out while the people who have no LSD in their drinks are responible for babysitting the trippers.

Buttons has also become a slang term for mescaline, peyote, or psilocybin mushroom caps.
PERSON 1 - "John's party last night turned into another game of buttons."

PERSON 2 - "Shit dude, were you trippin' face?"

PERSON 1 - "Na bro, I had to babysit Greg who kept telling me that he was trapped in a glass of water..."
by M0T321 September 25, 2007
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A series of nuts & bolts that hold a 3 piece wheel together. These wheels are very expensive because of the forging process and the ability to stagger offsets to create large lips.
"I be mashin out on something European on them buttons"
by Dru05vette May 28, 2008
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1) a thing that holds clothes together
2) the action of putting it through the hole
putting ur button on is so annoying, the front sleeve button on dress shirts is hard to get by urself
by alex14 September 17, 2006
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A very small penis, or the individual who possesses it.
Ever change in the 24 Hour Fitness locker room in Daly City? All you can see is buttons in every direction.
by toosuave August 12, 2013
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1. (N)A (usually) plastic circle attached to an article of clothing, such as a pair of pants, or a shit

2. (N) An unattractive (IMO) hicky on the chin
1. Why is it that the buttons on my cleavage seem to not want to stay buttoned?

2. Damn, dude. That button you gave Tina is so embarrassing!
by Every Fag's Slackerbitch December 28, 2009
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