2. Noun. (uncountable slang) Marijuana resin. ¹
3. Noun. (uncountable slang) champagne ¹
4. Verb. (colloquial often childish) To defecate. ¹
5. Interjection. (colloquial euphemistic) Expression of displeasure or failure; shit! ¹
¹ Source: wiktionary.com
Definition of Poo
1. to defecate [v -ED, -ING, -S] - See also: defecate