Top Definition
The sexual act of inserting an egg (usually chicken) into ones anus, and cracking it with the rectal muscles. A larger or different species of egg may be substituted if no chicken eggs are available, if your partner is feeling exotic, or if you've outgrown standard chicken eggs.
Ugh.. yesterday I had a runny sunday. I'm still crapping out eggshells.
by Squirrelenstein August 30, 2008
7 Words related to Runny Sunday

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