A fork of Rural Dictionary
A very large turd that is the size of Shamu the whale.
I called the Department of Defense as I launched a shamu into the Potomac!
Roommate 1: Did you hear some weird noises last night? Roommate 2: Yeah it was just Shamu making second dinner.
When someone's social media makes them look attractive but they're actually a fat ass
"my date shamued me. Their pictures made them look so sexy but they weren't in person" "They are completely shamuing everyone. Those tinder photos don't show their true size"