Definitions of "Big up yourself"

give yourself a pat on the back

To congratulate oneself

Patois: Yuh duh gud, big up yourself
English: You did good, give yourself a pat on the back

To congratulate or give praise to yourself

Patois: Yuh deh gwaan gud, big up yourself
English: You're doing good, congratulate yourself

All fruits ripe , Babylon , Bad like yaz , Bashy ,