The Collaborative International Dictionary of English v.0.48:

Blebby \Bleb"by\, a.
   Containing blebs, or characterized by blebs; as, blebby
   glass.

   Syn: blebbed.
        [1913 Webster] Bleck

WordNet (r) 3.0 (2006):

blebby
    adj 1: covered with small blisters [syn: blebby, blistery]
    2: (of glass or quartzite) marred by small bubbles or small
       particles of foreign material [syn: blebbed, blebby]

Moby Thesaurus II by Grady Ward, 1.0:

23 Moby Thesaurus words for "blebby":
   beaten, blistered, blistering, blistery, bubbling, bubbly,
   burbling, burbly, carbonated, chiffon, ebullient, effervescent,
   fizzy, puffed, souffle, souffleed, sparkling, spumescent, vesicant,
   vesicated, vesicatory, vesicular, whipped