In television broadcasting, the front porch is a brief (about 1.5 microsecond) period inserted between the end of each transmitted line of picture and the leading edge of the next line sync pulse. Its purpose was to allow voltage levels to stabilise in older televisions, preventing interference between picture lines.
Example Usage of Front
GThomson1: People wonder why I don't really talk to my brother @MThomson01, but why we talk over twitter when we are right Front of each other??
Gehoppp: watching a girl get a DUI in Front of the netherlands. Crazyyyy
carliejordan: did you know if you write 3.14 on a piece of paper and hold it in Front of a mirror it reads "pie"? epic win, epic win <3