Def 1: UK Acid House band from early 1990's, best known for their greatest hit "Last Train To Trance Central", as well as for their wild, offbeat and contreversial behavior. KLF is acronym for "Kopyright Liberation Front" and were known for their creative use of sampling. KLF is in hiatus "until peace is declared worldwide". Def 2: In Eureka Seven, a military LFO.
Acronym for one of the following: Slap On Sight, Smack On Sight, or Shoot On Sight. Term originaly appeared in the hip hop underground of the mid 1990's though its use has resurfaced recently. Can be used to describe a threat, to issue a threat, or describe an action in the past tense.
"I'm going to S.O.S. Jaime for what he did the other day." Or "I'm putting an S.O.S. on Andre." Also, "When Jackie saw Olivia, she S.O.S.'d her."