also: エルオー
noun
last order; last call
Abbreviation of ラストオーダー, used in bars and restaurants to indicate the final opportunity to order before closing.
See also: ラストオーダー
LOは10時です。
Last order is at 10 o'clock.
もうすぐLOだから、追加の注文を急ごう。
It's almost last call, so let's hurry and order more.