To come down or fall with the sound of a flat impact; to make a light slapping sound.
Mid 19th century; earliest use found in William Thackeray (1811–1863), novelist. Imitative. Compare plash, plash, flap, slap.
“He came down with a plap, jumped to his feet and carried on running.”
Itinerant (adj) (noun)
Travelling from place to place. / A person who travels from place to place.
Late 16th century (used to describe a judge travelling on a circuit): from late Latin itinerant- ‘travelling’, from the verb itinerari, from Latin iter, itiner- ‘journey, road’.