▁- ▁SM G ▁Ster ling ▁subm achine ▁gun . S NA F U ▁( ab bre viation ) ▁- ▁Situ ation ▁Normal , ▁All ▁F uck ed ▁Up . ▁( B orrow ed ▁from ▁the ▁US ▁military ▁and ▁thought ▁to ▁have ▁origin ated ▁from ▁the ▁US MC ). S nake ▁char mers ▁- ▁Dance ▁band . S n app ers ▁- ▁En emy ▁f igh ters ▁( see ▁dog ▁fight ). S nek ▁- ▁A ▁dil ap id ated ▁SN CO . ▁ ▁Or , ▁a ▁general isation ▁referring ▁to ▁any ▁SN CO , ▁( see ▁" SN CO "). ▁ ▁( T aken ▁from ▁pron oun cing ▁the ▁" S NC " ▁from ▁SN CO ▁as ▁" S nek " ▁or ▁sometimes ▁" S ne cko "). SN CO ▁( ab bre viation ) ▁- ▁Senior ▁Non - Comm ission ed ▁Officer . S OP ▁ ▁( ab bre viation ) ▁- ▁Standard ▁Oper ating ▁Pro cedure . S now dro ps ▁- ▁R AF ▁Police ▁( from ▁white ▁trim ▁on ▁caps ). S oot y ▁- ▁Gr ound ▁tr ades man ▁responsible ▁for ▁maintain ing ▁aircraft ▁engines . ▁Usually ▁applied ▁to ▁tr ades man ▁working ▁on ▁jet ▁engines . ▁Those ▁working ▁on ▁p ist on ▁power ed ▁engines ▁were ▁known ▁as ▁' S ump ies ', ▁taken ▁from ▁the ▁oil ▁sum p . S oup ▁J ockey ▁ ▁- ▁Ste ward . Space y ▁- ▁Air ▁Cad et , ▁a ▁member ▁of ▁the ▁Air ▁Training ▁Corps . SP AM ▁( ab