Green’s Dictionary of Slang

lull n.¹

ale.

c.1636		London Chanticleers Scene 9: Mine host, Welcome, has a cup of blessed lull [F&H].
1654		Mercurius Fumigosus 5 28 June-5 July 3: A Shee-Toper [...] having lately swallowed too much of the Creature, and gaged her self so much with blessed Lull, by some called Ale, or Plush [etc].