To scam, lie, manipulate. Literally “piss in the eyes”. The variant ссать в уши (“piss in the ears”) is used when the spoken word is used to con and mislead.
Нужно просто перестать ссать народу в глаза.
One should simply stop lying to the people.
(Олег Федоренко @ oko.cn.ua, 12/2020)
