uggady boogady is an informal interjection that can be used in any number of situations.
1. used to express surprise
2. used to express distaste
3. used to express aggitation/triumph
"Dude, look at that chick over there." "What the one that weighs like 500 lbs.?" "Yeah." "Uggady boogady!"
While playing basketball a player stuffs the shot of an opponent while screaming "uggady boogady!"
Or just randomly screaming "uggady boogady!" to incite fear or panic in any mundane public situation.