From Wiktionary, the free dictionary
Blend of rap + calypso
rapso (uncountable)
- A form of Trinidadian music that grew out of the social unrest of the 1970s, with elements of soca, calypso, and hip-hop.
- praos, sapro-, psora, proas, Paros, sapor, Proas, Poras, rapos, roaps, aspro
rapsō
- (Old Latin) first-person singular sigmatic future active indicative of rapiō
See explanation at rapiō.