Gilp-sceaða

According to the Old English Dictionary:

an;

gilp-sceaða

m. An arrogant, boasting criminal :-- Gielpsceaðan boastful and wicked ones [the fallen angels], Cd. 5; Th. 6, 29; Gen. 96. Ðone gelpscaðan that proud and wicked man [Nero], Bt. Met. Fox 9, 98; Met. 9, 49. gilp-sceaða