43f493a0_Soccer_Lingo___AYSO_Region_88__IT_MEANS
[WHEN THEY SAY] studs up [THINK] cleating [IT MEANS] 
A dangerous play where a player’s studs (cleats) are exposed to the legs of another player. A “studs up tackle” is considered a serious foul if contact is made with another player.
Soccer Lingo | AYSO Region 88
IT MEANS