Top definition
To describe something that is really disgusting or unpleasant. Deriving from the Australian slang word 'chat' and Glenn Miller's song "Chattanooga choo. choo"
Example 1
P1- Last night Becky gave Jono a rim-job
P2- that's so chatanooga
Example 2
P1- (vomits on the floor)
P2- choo choo
P3- all aboard the chatanooga
via giphy
by Glasseyeballs May 17, 2017
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