English Slang Collection：

　　fall off the grid

　　[释] disappear from the face of the earth;

　　[例] Where is Tommy? I haven't seen him for weeks and he seems to have fallen off the grid.;

　　fam

　　[释]people are very close as if a family member;

　　[例] I have to help him out coz he's my fam.

　　far out

　　[释] something is cool, awesome;

　　[例] A: Hey, I just received the delivery of full collection of Batman. Come watch at my place tonight, ok? B: Far out!;

　　fart around

　　[释] waste time;

　　[例] Why are you farting around? Don't you have homework to do.

　　fall guy

　　[释] someone is left to take the blame;

　　[例] Ryan was the fall guy, and received a big payout when he got out of jail.;

　　fall off

　　[释] lose one's edge / popularity;

　　[例] Jim fell off for some wrong decisions he made during financial crisis.