A form of an orgy in which a
guy and girl have
bareback sex on a
boat, after which another man then has sex with the same girl causing the other man's semen to curdle.
Jim: Hey Tod whudda you say me, you and your
girlfriend do a curdled seadog friday
night.
Tod: Why are you always trying to have sex with my girlfriend man?
Damn bro dat bitch be a curdled seadog