The Collaborative International Dictionary of English v.0.48:

Loll \Loll\ (l[o^]l), v. i. [imp. & p. p. Lolled (l[o^]ld); p.
   pr. & vb. n. Lolling.] [Cf. Icel. lolla to act lazily,
   loll, lolla, laziness, OD. lollen to sit over the fire, and
   E. lull. Cf. Lill, Lull.]
   1. To act lazily or indolently; to recline; to lean; to throw
      one's self down; to lie at ease; as, to loll around the
      house on a lazy summer day.
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            Void of care, he lolls supine in state. --Dryden.
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   2. To hand extended from the mouth, as the tongue of an ox or
      a log when heated with labor or exertion.
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            The triple porter of the Stygian seat,
            With lolling tongue, lay fawning at thy feet.
                                                  --Dryden.
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   3. To let the tongue hang from the mouth, as an ox, dog, or
      other animal, when heated by labor; as, the ox stood
      lolling in the furrow.
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