ETYMOLOGY
from bubbly (full of bubbles) + the Scots male forename Jock
EXAMPLE (for n. 1.)
“… there was the turkey, whom the poetical Scott calls the bubbly-jock, gobbling in the distance, with a melodious gurgle as of an oboe played softly; …”
From: With Harp and Crown, A Novel
By Walter Besant and James Rice, 1800
Lexicophilia 