In the Mil world....Tea Coffee or Me? a phrase coined frquently in (my time) the mil, usually by pylits that have forgotten they are just taxi drivers...
and it is ALL just banter!
As is SLF, along with self loading baggage and a waist of oxygen/oxygen thief and a myriad of other phrases.
Wearing white gloves on SAR? Usual question, Ice creams? (doesn't apply to SH (that's support helis not short haul) they wear green gloves...
Favourite phrase's? deadweights, or un-useable fuel, (not in the commercial context though)!