(adjective) The term used for when you're dapping up your bois and grillz. It is the present participle form of "Choo", which is what you say when you dap up your homies/brothers.
Brother 1: "Yo my boi what's good witchu!"
Brother 2: "Ayo what's good witchu brother!"
Brother 1 and Brother 2: *daps each other* "Chooooooooooooooooo!"
Brother 3: "You two really do love Chooing don't you!"
Brother 2: "Ayo what's good witchu brother!"
Brother 1 and Brother 2: *daps each other* "Chooooooooooooooooo!"
Brother 3: "You two really do love Chooing don't you!"
by Lead Bud 123 May 03, 2021

Aussie slang for boost pressure from a turbocharger. Made famous by the Youtube show Mighty Car Mods guys Marty and Moog.
by Dannydabaker December 20, 2013

(verb) to run a train as by multiple males having intercourse with one female
(noun) the act of running a train on a female
(noun) the act of running a train on a female
by Lenny Presley July 04, 2007

by Richard Busy October 21, 2009

by Billy-Bob McSanchez April 06, 2005

Animated cat from 60's cartoon, 'Top Cat'. Choo Choo is Top Cat's right hand man. Definitely the cutest cat of the gang. Never seen without his tight white shirt.
Top Cat: "Hey Choo Choo, do you ever take off that tight white shirt of yours?"
Choo Choo: "Nope. Eating breakfast = tight white shirt. Playing tennis = tight white shirt. Sleeping = tight white shirt. Having sex = tight white shirt."
Choo Choo: "Nope. Eating breakfast = tight white shirt. Playing tennis = tight white shirt. Sleeping = tight white shirt. Having sex = tight white shirt."
by Isn'tThisColeslaw August 09, 2009

The train started to move and said:
-Choo-choo!
-Mummy, what is it? Is it choo-choo?
-Yes, baby, it's a train.
-Choo-choo!
-Mummy, what is it? Is it choo-choo?
-Yes, baby, it's a train.
by nov1ce January 30, 2009
