This is the 12015th most frequent Polish word.
lej
"Lej" in Polish means "a funnel" or "a depression/hollow."
Here, 'lej' is used as an imperative form of the verb 'lać', meaning 'to pour'.
Lej wodę do szklanki.
Pour water into the glass.
In this sentence, 'leje' refers to 'pits' or 'holes' caused by erosion, showcasing its use as a noun.
Po deszczu na drodze zostały głębokie leje.
After the rain, deep pits remained on the road.
In this context, 'leje' is figuratively used as an idiom derived from 'lać wodę', meaning 'to ramble' or 'to talk excessively without focus.'