ປາກຫວານ

Not necessarily. It can be a playful tease among friends or a genuine acknowledgement of someone's charm. However, if said with a serious face, it can imply insincerity.

It's risky. It might sound like you're accusing them of being manipulative. Stick to 'ເວົ້າດີ' (speaks well) or 'ສຸພາບ' (polite).

You say 'ຢ່າມາປາກຫວານໃສ່ຂ້ອຍ' (Ya ma pak wan sai khoy).

They are almost identical in both languages, though the pronunciation of 'Pak' and 'Wan' differs slightly in tone.

Yes, if a child is being particularly charming to get a treat, you can say 'ປາກຫວານແທ້ເນາະ'.

The most direct opposite is 'ປາກຮ້າຍ' (foul-mouthed/harsh-spoken).

Mostly yes, but it can also be used for someone's texting style on social media.

Rarely. It is primarily a spoken idiom. In writing, more formal terms for 'persuasion' or 'eloquence' are used.

In Lao, the 'mouth' (pak) is seen as the gateway for speech, whereas the 'heart' (chai) is the source of feelings. Most speech-related idioms use 'pak'.

It might sound a bit patronizing. It's better to just say 'ຂອບໃຈ' (thank you).

Yes, hundreds of Lao and Thai songs use 'Pak Wan' to describe a charming but untrustworthy lover.

Yes, adding 'ຫຼາຍ' (very) is the most common way to intensify the idiom.