look up any word, like plopping:
 
1.
Ejaculating with such huge force and volume in your chick's mouth that it causes her to gag and throw up on your recently emptied wang..
Alene barfed and gave me a "sloppy poppy" after I spewed like a firehose in her throat
by Bwana B. November 23, 2005
 
2.
The act of sitting,squating, or standing over another being, and viciously releasing your bodily fluids more so common fecal matter over the entire body
The two females in two girls 1 cup visually performed sloppy poppy on one another.
by Payper View January 19, 2010