Definition of "gulligut"

The delectableſt luſtie ſight and mouingeſt obiect, me thought it was that our Ile ſets forth, and nothing behinde in number with the inuincible Spanish Armada, though they were not ſuch Gargantuan boyſterous gulliguts as they, though ſhips and galeaſſes they would haue beene reckoned in the nauy of K. Edgar, who is chronicled& regiſtred with three thouſand ſhips of warre to haue ſcoured the narrow ſeas, and ſailed round about England euery Summer.

1599, [Thomas] Nashe, Nashes Lenten Stuffe, […], London: […] [Thomas Judson and Valentine Simmes] for N[icholas] L[ing] and C[uthbert] B[urby] […], page 5