pooer adjective 1noun 1forms 3 adjective1 •(Scotland) poor noun1 •(slang) Someone who poos.If your babies are totally breastfed, they may poo anything from fifteen times a day to once a fortnight. If they are a frequent pooer, this will settle down within the first six weeks. — 2013 formspooers · more pooer · most pooer