LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

fascinōsus

fascinōsus (feminine fascinōsa, neuter fascinōsum, comparative fascinōsior)
Classical[fas.kɪˈnoː.sʊs]Ecclesiastical[faʃ.ʃiˈnɔː.s̬us]

Meaning

  1. adjectivevulgarwell-endowed, having a large penis
    Priāpe, quod sīs fascinō gravis tentō, quod exprobrāvit hanc tibi suō versū poēta noster, ērubēscere hōc nōlī:1st century CE, anonymous, Carmina Priapea 79

Declension

singular
formmasculinefeminineneuter
nominativefascinōsusfascinōsafascinōsum
genitivefascinōsīfascinōsaefascinōsī
dativefascinōsōfascinōsaefascinōsō
accusativefascinōsumfascinōsamfascinōsum
ablativefascinōsōfascinōsāfascinōsō
vocativefascinōsefascinōsafascinōsum
plural
formmasculinefeminineneuter
nominativefascinōsīfascinōsaefascinōsa
genitivefascinōsōrumfascinōsārumfascinōsōrum
dativefascinōsīsfascinōsīsfascinōsīs
accusativefascinōsōsfascinōsāsfascinōsa
ablativefascinōsīsfascinōsīsfascinōsīs
vocativefascinōsīfascinōsaefascinōsa

fascĭnōsus, a, um, adj. fascinum,
I. with a large fascinum: poëta fascinosior, Auct. Priap. 79 fin.

Origins

From fascinum + -ōsus.

Quick answers

What does fascinōsus mean in Latin?
fascinōsus, a adjective, means “well-endowed, having a large penis”.
How do you pronounce fascinōsus?
In classical Latin, [fas.kɪˈnoː.sʊs]; in ecclesiastical (church) Latin, [faʃ.ʃiˈnɔː.s̬us].