verb

• (intransitive) To play about roughly, energetically or boisterously.
  "When the kids're allowed to romp in the bedroom, they break something."
• (transitive, US) (Often used with down) To press forcefully, to encourage vehemently, to oppress.
  "If I romp down on the gas, it'll do sixty in six seconds."
• (with adverb) To move with little effort relatively quickly.
  "We romped along with the wind astern."
• (slang, chiefly newspapers) To engage in playful or illicit sex.
  "This wasn't salacious, romping 'sex', tabloid style"

noun

• (now archaic) Someone who romps; especially, a girl or young woman who indulges in boisterous play; a tomboy.
  "I will venture to affirm, that a girl, whose spirits have not been damped by inactivity, or innocence tainted by false shame, will always be a romp, and the doll will never excite attention unless confinement allows her no alternative."
• (chiefly sports) A decisive victory; a game, match etc. which is won easily.