Top definition
To do something even though you are aware that it is wrong. Possible consequences might arise depending on the situation.
Laura: What are you doin'?

A. Sinna: I'ma sinu that... watch my back!

Laura: Oh damnn
by A. Sinna July 27, 2010
Get the mug
Get a sinu mug for your guy Bob.
buy the domain for your travel site