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also can be used as a verb*

When you slightly vomit in your mouth in a small watery manner due too a burp, hick-up, yawn etc. we have ALL done this before :p
1. damn i just pigeon pooped in my mouth, fucking nasty!

2. i just spit out pigeon poop from eating all those tacos and water

3. i just ate jigar and pigeon pooped some of it out, gross.

4. drinking a lot of liquids with food can cause you to pigeon poop.
by Nazz818 July 11, 2009