1 definition by Captain Ish

Top Definition
Biggest Of All Time in referring to a shit. Poop that looks not only inhumanly possible, but also makes you want to show everyone in the house. Nautical references also apply, as it looks like you just shit a yacht.
Me: "omg Mom, come look at this poop!"

Mom: "son you just shit a B.O.A.T."

"That shit was literally the biggest of all time"
by Captain Ish August 12, 2009

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