go it

[go it] {v. phr.}, {informal} 1. To go fast; run hard; not to spareyourself. - Often used as a command.

The coach yelled to the runnerto go it.

At the party the girls cheered for their partners to goit.

The boys called, "Go it!" to the dog chasing the cat.

2. Tolive; continue to do or work.

John wants to leave home and go italone.

Compare: ON ONE'S OWN.