What is Big It?
1.
a big it is like a hand shake. but instead each person clenches their fist and punches it into the other persons fist. it is used when a legandary moment is experienced or somthing very funny happens.
person 1: omg that was sooo funni!!!!
person 2: hahaha omg big it!
*person 1 and 2 "big it"*
See
