loll about (some place)
to lie, lounge, or droop some place. The tired travelers lolled about all over the hotel lobby until their rooms were ready. They were still lolling about at three in the afternoon.
loll around
to roll, flop, or hang around. The dog's tongue lolled around as it rolled on its back, trying to keep cool. Stop lolling around and get to work.
loll back
[for a head] to fall or droop backwards. As he passed out, his head lolled back and struck the corner of the table. Her head lolled back and suddenly she was fast asleep.
loll out
[for a tongue] to hang or flop out. The dog's tongue lolled out as it lay sleeping. Since the dog's tongue lolled out every time it opened its mouth, it is a wonder it didn't bite it when it closed its mouth.