1. Form of greeting but also can be a valediction
2.descriptive word, which can be positive or negative depending on the context
i. Adam saw Kat and sais,"poop~a~doop". she replied "poop~a~doop"
ii. "i've g2g now, poop~a~doop" said Harvey
i."I can't go out tonight" said Ed, "thats so poop~a~doop" replied Alex
ii."I had the best day, it was soo poop~a~doop" said Kim