"ma yu lo" translation please?

[Lily]

If someone is called "maa yu low" what does that mean? It doesn't sound too good when I heard it. What are your ideas, forum members? Thanks hehe

-Lily

[terry]

Maai6 jyu1 lou2 賣魚佬 , noise maker
always join or put in when the others are talking

[cedarlee]

i'm wondering where you're learning chinese,cause we natives never saw such prononciation connotations