What is "ey up"

alt. 1 (context dialectal English) hello 2 (context dialectal English) how are you? 3 (context dialectal English) Look at that!, take notice of that! 4 (context dialectal English) Don't do that; (non-gloss definition: a warning.) 5 (context dialectal English) What is that? interj. 1 (context dialectal English) hello 2 (context dialectal English) how are you? 3 (context dialectal English) Look at that!, take notice of that! 4 (context dialectal English) Don't do that; (non-gloss definition: a warning.) 5 (context dialectal English) What is that?