Top definition
When under the influence of ecstasy, a sudden urgency to go to do a poo. Usually very runny, smelly and explosive.
May be influenced by the bass in a club.
"I need to do a ecky poo"

"I just did a ecky poo"

"that was a bad ecky poo"
by Poo_bum_bum July 11, 2008
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