When someone sits or lays on another person and then pisses themselves, getting piss all over the person they are sitting/laying on top of. Although in order to do this, you must piss in your own pants, the hilarity of it far surpasses the grossness of it.
Chris made some joke about Jackson, so Jackson sat on chris and gave him a Yellow Blanket. Chris would have been mad, but he was laughing too hard.
by SaMo Chron Smoker September 30, 2009
What babies of unknown gender are brought home in.
Robbie's mother and father brought him home in a yellow blanket until they could figure out his gender.
by Miss Know it all October 14, 2013