hey up

• ey up
• 'ey up
• ay oop
• ay up
• ayup

From high up as a warning. Written heigh up by Joseph Wright in the English Dialect Dictionary. Always pronounced with the diphthong ɛɪ as was formerly used in high in these dialects. Never pronounced /e:/ as used in hay.

hey up

1. (Northern England, informal) A greeting.
2. Used to get attention, or as a warning.