This phrase is not a common slang term in Spanish. If used literally, it means 'to have a bottle'. However, in a more metaphorical sense, it can refer to 'having a lot to handle' or 'being under a lot of pressure', though this usage is not widespread.
Examples
- Spanish: Estoy estresado, siento que tengo una botella.
- English: I'm stressed, I feel like I have a bottle (I have a lot to handle).