Skip to main content

Bona Dea

(Pronounced "Bonna Dayuh")

When you fuck your cousin's girlfriend/wife.
This term can have a particularly special or stronger, more effective meaning if he is your close friend, and if you do so by sneaking into a girls only party she is attending.
Bart: Yo dude did you hear about Mike?
Dude: Na what happened to him?
Bart: Bro his girl got Bona Dea'd by Jasper rollercoaster style
Dude: Nah that's crazy brah 😂😂 Jasper a savage bru like na he dont play like really a player fr wtf 💀💀💀💀💀💀💀
Bart: Mike a fag anyway
by sebdoes September 7, 2025
mugGet the Bona Dea mug.

Share this definition

Sign in to vote

We'll email you a link to sign in instantly.

Or

Check your email

We sent a link to

Open your email