Jimblypiss Share definition Flag A Jimblypiss is when you throw a piece of garbage into a bin without it hitting the any sides of the bin. Like a swish in basketball. "Yo i just hit a fat Jimblypiss!""I just Jimblypissed that baby" Jimblypiss by Jimblypiss enjoyer February 7, 2022 Get the Jimblypiss mug.