a popular meme in the movie Diary of a Wimpy Kid: The Long Haul where the main character Greg accidentally picks up a diaper and it gets stuck on his hand, and he keeps shouting "It's a Diaper!" while a lot of people were recording a video of him, eventually he went uncontrollably viral.
by Billiam Beaver July 18, 2017
1. The use of ones hand to stop the flow of fecal matter from coming out of their anus during a moment of severe diarrhea.
by the2ndflood September 22, 2007
When changing a poopy diaper and you get some on your hand. Can happen concurrently with diaper foot.
by Oug777 February 3, 2019