lo

exclamation2

1. •
   look, used to point out something surprising or important

   • Caliban: Lo, lo again! Bite him to death, I prithee. — 1610
2. •
   Clipping of hello.

particle1

1. •
   (Singlish, rare) Sentence-final particle denoting finality or completion.

noun1

1. •
   Clipping of location.

   • Ayo, send me your lo.

noun4

1. •
   Initialism of loved one.

   • When an elderly LO has deteriorated in his health to the point that he must move in with one of his adult children, many lives are changed forever. — 2008
2. •
   Abbreviation of low (“low gear or low range”).
3. •
   (Internet) Initialism of little one (“one's child”).
4. •
   Initialism of local oscillator.