wild waves of the sea, casting up the foam of their own shame; wandering stars for whom the nether gloom of darkness has been reserved for ever.
κύματα ἄγρια θαλάσσης ἐπαφρίζοντα τὰς ἑαυτῶν αἰσχύνας, ἀστέρες πλανῆται οἷς ὁ ζόφος τοῦ σκότους εἰς αἰῶνα τετήρηται.
Haydock Catholic Bible Commentary: Jude
These are spots in their banquets; (see 2 Pet. ii. 13.) in which they commit unheard of abominations, twice dead, which signifies no more than quite dead, clouds without water, &c. All these metaphors are to represent the corrupt manners of these heretics. Wi.