To breath in. Also, an incorrect spelling of annihilation, coined by Kyle Wright. Especially useful when combined with the word funtional, to produce the band name Functional Inhalation, which is the only band (other than perhaps an orchestra) to contain more members than Slipknot.
"I am going to launch the nukes in my backyard silos, thus causing the inhalation of the entire world!!"
by Anaksunaman June 19, 2004
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Something that Obama did and Clinton didn't.
Bill Clinton: When I was in England, I experimented with marijuana a time or two, and I didn't like it. I didn't inhale and never tried it again.

Barack Obama: Look, when I was a kid, I inhaled... frequently... that was the point!
by Minuteman January 23, 2008
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Plastic devices containing bronchiodialaiting drugs (salbutamol sulphate being the most common) that relieve bronchospasm in asthmatic people. May also be prescribed to relieve chest pains for people with a Chronic Pulmonary Obstructive Disease.

Also, there are inhalers that contain corticosteroids that can help prevent attacks amongst asthmatic people and are used to help stimulate the lung tissues of those with other chronic conditions or diseases such as emphesyma.
That girl was having another asthma attack and so she had to use her blue inhaler.
by Jonny3 September 7, 2006
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1) when you breathe something like air or smoke into your lungs

2) to eat something very quickly
the guys inhaled some reefer and got mad munchies so they inhaled the food in the house.
by willkelly May 31, 2005
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to breathe in, preferably weed smoke
to inhale weed smoke is to enjoy life
by clickmast September 6, 2007
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A poison/drug that people sniff, bag or snort
I'm bagging this! *sniffs* *dies* Doctor hmmm must've bagged it. It was an inhalant.
by Don't die! March 25, 2011
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Something that Obama did and Clinton didn't.
Bill Clinton: When I was in England, I experimented with marijuana a time or two, and I didn't like it. I didn't inhale and never tried it again.

Barack Obama: Look, when I was a kid, I inhaled... frequently... that was the point!
by Tumbler January 9, 2008
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