Northern Ireland; cheap trainers your mother forced upon you when you were young, ONLY used for PE. Would've been a source of embarassment but everybodies mum bought them. Made from canvass and vulcanised rubber
you - "But Mum I don't want gutties, I want proper trainers"
Mum - "Proper trainers'll cost £15! You'll make do with gutties"
Northern Irish; meaning "group", or "a number of"
there was a clatter of boys standing about