Quote Originally Posted by Robbie
"Hoots Mon" doesn't really mean anything - tne nearest approximation would possibly be "Hey there".

It's actually a slightly derogatory expression much used by non-Scots when attempting to be "funny" in conversation with Scots, so I suspect he was assuming your attire indicated you were Scottish.
Hi Robbie

A long, long time since we've exchanged a word. Good to see you here.

We on the wrong side of the border (!) believe 'hoots man' means 'listen up' or 'shut up and listen to me'.

Al