When one party knows that another party's plans to impress co-workers or French girls in advance, and the first party shows up simply to agitate the second party. The opposite of a Maisano
Intramuree 1:"Hey! Lets get a masanga going!"
Intramuree 2:"Yeah lets do it, count me in!"
Intramuree 3:" Me too!"
Intramuree 4:" Me three!"
Intramuree 5:"Alright! 'Masanga on three! Ready?"
All intramurees: "Ok, 1, 2, 3 dee-pah!"
When one party knows another party's plans in advance, and makes an appearance at the second party's location with the sole intent of ignoring them and trying to impress French girls.