Tag fg ready to sack 4
It seems like you're referring to the popular mobile game "Fortnite"!
"FG" likely stands for "Fortnite Game" or "Fortnite Gamer", and "Ready to Sack 4" might be a phrase used by players to indicate they're prepared to take down the enemy team in a match.
If you're looking for tips or strategies to improve your gameplay, I'd be happy to help!