A sexual act by nature (fetish) the chattanooga choo-choo is when you sink your face into someone's arse and the sinkee toots all over it.
Jill wanted to break up with John after their last fight and she made her point by giving him a Chattanooga choo-choo last night.
by MC Carver October 14, 2016
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-noun, plural -gies
Choo-choo Buffology is the pseudo-science of repeating the same specious arguments ad-infinitum to avoid rational criticism of transit-rail projects. Practitioners appear to have better arguments than their critics primarily because their arguments can be summed up within media-friendly sound bites. This phenomenon is frequently attributed to the choo-choo buff spending a majority of their research funds on media consultants and focus groups, while their opponents spend their research funds on actual scientists and economists.
The transit authority hired a choo-choo buffologist for their rapid response team which will allow them to quickly respond to media inquiries asking critical questions. Unfortunately for the opponents, this guy is the top choo-choo buff in the nation. His latest sound bite is critical of busses because he claims that people don't like dirty busses, putting his opponents at a significant disadvantage because it takes more words than can fit into a sound bite to explain that people are turned off by the "dirty" busses which were made that way by people who did not respect the bus enough to keep it clean because people who receive a subsidy can't appreciate the value of the service and thus are disrespectful - and rolling out shiny new trains won't correct the problem because they will be dirty within a few years as the same disrespectful people start riding the trains instead; that the only way to prevent the deterioration of the transit system is to charge market rates for riding instead of tax-subsidized rates.

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I wish there wasn't some way of silencing that choo-choo buff. He's been practicing choo-choo buffology so long he's figured out all you have to do is claim that trains are green, and nobody can point out that according to the transit authority's own environmental impact statements that bus rapid transit is both greener and more efficient without being labeled pro-pollution. He's really a master choo-choo buffologist.
by True Green April 18, 2009
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What you say when creepy grudge-like small asian girls in pink sweat suits come wondering into line with you. This girl does not think your funny and just wants to ride the train and then find her dysfunctional Asian family. Also used when excited or in reference to this event. X)
Asian Girl: Hey Can I ride the train with you?????
You: Choo Choo Elaine, Choo Choo
by Dank Brosef January 15, 2010
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A line of at least 5 republican men in a sodomy daisy chain with one another. The front of the charleston choo choo is generally the burliest of the daisy chain and is considered the locomotive.
Up at the state capital, a few of the aids got together after work for a charleston choo choo near the rest area.
by Rob Walk February 27, 2013
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When one bearded brother gets rammed by another who is vaping.
Bruh it was crazy, I couldn't see a thing and then Dominic pushed his caboose against me. Best fuzzy choo choo ever.
by chonas choader August 24, 2016
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When someone squats over the chestal section of a person and proceeds to have the runs on their chest and continues down to their lower reigons. Thus creating a "train" of poop down their entire abdominal area.
Last night I was gonna give my girlfriend a cleaveland steamer but since I had the shits it quickly turned into a chatanooga choo choo. Whoo Whoo!

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Pardon me ladies, which one of you would like to get a ride from the Chatanooga Choo Choo? Whoo Whoo!
by Phil & Fricke November 18, 2007
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1. A crazy black man nigga that dances around the streets like he's riding the Soul Train.

2. A insult to a crazy black nigga that dances around the streets like he's riding the Soul Train.
That dope was so whacked out on coke, he was prancin' around like a choo choo nigga.
by Dan Payne September 9, 2006
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