Flandreau a phrase; which in the northern part of
New York state means to "To
Cockblock"
Meaning to prevent someone from scoring sexually.
It's believed that this
reference was created in younger schools, so students wouldn't be put into trouble for saying "Cockblock".
Example - Situation (A boy is
flirting with a girl, and she is
falling for it);
Person 1: *Screams to the Boy* - "Get Some!"
Person 2: *Yells at person 1* - "Dude don't be such a Flandreau"
Person 1: *Screams at the Boy again* "Hey, ya' gonna tap that, ya' gonna tap that?", *Responds to person 2* "That was a Flandreau."