WHAT DOES TENTENSLOT LOGIN MEAN?

Sen eliminated a genjutsu, revealing to Tenten's staff that they were standing in quicksand and ended up dragged into Sand Waterfall Pit. Just after handling to escape the pit, they discovered Crew Shira and saved them from their treacherous fellow Suna-nin. As Neji questioned why they attacked Shira's group in the slightest degree, it was describe