They're fremit friends that canna be fash'd.
That is, they are strange or false friends who will not allow themselves to be troubled in the least about their relations.
They're keen o' company that taks the dog on their back.
They're lightly harried that hae a' their ain.
They're like the grices, if ye kittle their wame they fa' on their backs.
Synonymous with "Give him an inch and he'll take an ell."—English.
They're no a' saints that get the name o't.
They're no to be named in the same day.
Or they are so different that there is no room for comparison.
They're queer folk that hae nae failings.