Stemming from the old nursery rhyme “See-saw, Margery Daw”, the phrase is commonly used in Scots dialect as rhyming slang to describe someone doing nothing, or not working, or doing “f**k aw”
“Awww so muggins here’s been doing aw the work and you’ve been staunin there daen Margery Daw!”
another way to say "no dog" only expressed between daws or people that are best friends
bobby- "hey daw you wana go to the movies tonight?"
johnny- "naw daw imma play sum d2."
bobby- "hey jessy you wana go to the movies then daw?"
jessy- "sure daw ill go and sand there."