An English nickname traditionally used for a third-generation namesake, as in 'the third.'
Trip has one of the more charming etymologies in the American naming tradition: it is a nickname for "the Third," used for sons who carry the same name as their father and grandfather — the third in a line. Just as Chip became a nickname for a son who was a junior ("a chip off the old block"), Trip emerged as the natural shorthand for Roman numeral III appended to a name. The tradition is most associated with patrician East Coast American families and the Southern gentry, where lineage and naming continuity are matters of family pride, and where a formal name like William Bradford Whitmore III might be called Trip from his first day of life.
As a standalone given name, Trip carries the ease and confidence of that preppy heritage — it evokes sailboats, lacrosse sticks, and Nantucket, but with enough informality to avoid stuffiness. Its travel connotation (a trip as a journey) adds a secondary layer of meaning that parents sometimes find appealing: the name suggests adventure, movement, and a life of experience. It has also found use outside its original social context, adopted by parents who simply love its punchy, monosyllabic energy regardless of any "Third" lineage.
In literature and film, Trip appears as a character name that writers reach for when they want to signal a certain kind of American boyhood — energetic, privileged but not pompous, fundamentally optimistic. The name's brevity makes it age well: it works on a toddler, a teenager, and a grown man equally, which is rarer than it sounds.