A fork of Rural Dictionary
Noun. A swimsuit for women consisting of a bikini bottom and a tanktop top.
She brough her tankini and sunscreen to the beach.
A bikini for fat birds with beer bellies or similar wobbly guts.
"Look at her, she'd look like she was a piece of cheese being cut with a wire if she wore a bikini......" "Yeah dude, thank God for tankinis!"