swash - noun

the movement or sound of water

swash - verb

• make violent, noisy movements
• dash a liquid upon or against
• show off
• act in an arrogant, overly self-assured, or conceited manner

swash - thesaurus

blow   bluster   boast   brag   gas   gasconade   plash   spatter   splash   splatter   splosh   swagger   tout   vaunt