An "All Nighter". To go out drinking and partying all night. The night version of Leo Sayer (All Dayer)

From STEM, an abbreviation short for "Science, Technology, Engineering and Mathematics", a STEMlord is a pejorative term for a particular kind of person who has studied in these areas at university or works in these fields who holds a pretentious, condescending attitude to anyone who has studied in any other fields, particularly the Arts and Humanities. They typically believe themselves to be more "intelligent" and "rational", while generally remaining incredibly ignorant outside of their areas of expertise and having the charisma of a rotting pig's backside.

A term used to discribe a lighter

A Jet-powered Aircraft used primarily for air to air combat. Aircrafts of this type are usually light, fast and maneuverable, although modern designs places less emphasis on lightness and maneuverability due to advancements in Air-to-Air Missiles and the increase in Beyond-Visual-Range engagement technologies.

Differentiate from Interceptor