Wiktionary
vb. (context intransitive idiomatic English) to do nothing in particular, be idle.
Usage examples of "loaf about".
But Sabine, not one to keep a secret, said to Calabar, 'I just telling Sugar Loaf about white stranger man Mistress sitting with in other room now.
From its western bank the ground rose slowly and then sharply up to the sugar-loaf about two miles away which was the guanera.
Why do you loaf about the place as though you were supposed to be an ornament?
He began to think of the time, long ago when he was a young fellow living with his father, then a baker in Winesburg, and how on such days he had wandered away into the woods to gather nuts, hunt rabbits, or just to loaf about and smoke his pipe.
He must be in his twenties by now, and I hear he does nothing with his days but loaf about the taverns until they boot him out for toughing up the barmaids.
If poor old Tug was off his loaf about that half-breed little dockside judy, it was his business.