WHAT IS THE MEANING OF"yu gu vm ft.."

佢用左速成輸入法o既碼

yu = 卜山 = 亮
gu = 土山 = 起
vm = 女一 = 紅
ft = 火廿 = 燈

成句即係「亮起紅燈..」

u hv the paragraph that can be post? coz hard to judge just by that couple words, need to have some more related message to incorporate what the actually meaning is