พูดน้ำท่วมทุ่ง(pôot náam tûuam tûng)

[to] talk at length without substance; [to] ramble

to talk a lot but with little substance; to ramble or be verbose (derived from the idiom น้ำท่วมทุ่งน้ำท่วมทุ่งnám-thûam-thûng1verbose; wordy2[of water] to flood a field ผักบุ้งโหรงเหรง - water floods the field, but there is very little morning glory)