Late Middle English; earliest use found in William Langland (c1325–c1390), poet. From a first element probably ultimately derived from the (reduplicated) syllable/ba/ characteristic of early infantile vocalization + lipped.
Definition of babber-lipped in US English:
babber-lipped
adjectiveˌbabəˈlɪpt
rare, archaic
Having thick, protruding lips.
Origin
Late Middle English; earliest use found in William Langland (c1325–c1390), poet. From a first element probably ultimately derived from the (reduplicated) syllable/ba/ characteristic of early infantile vocalization + lipped.