Pronunciation: Twah(low) - leh(high)
It's a West African slang mostly used by
Nigerians. When said, it's used to show respect,
appreciation or salute someone with higher reputation or swag than you, or even jokingly with friends and family, most especially when you want something from them. For example: help or mostly money. It's said before and after the request has been granted.
In other words it's used for praising a person in other to get something.