Someone (mang-) puts a wedge between or under something (-an).
Imo mangpasngat so toroswaya tan dya mabadede.
You put a wedge under the log so it does not roll.
Pasngatan mo asa kokod no lamisaan tan dya maydyidyan.
Put a wedge under one leg of the table so that it becomes tilted.
mapasngatan
Someone is angrily shamed.
Napasngatan do chinirin kwaw.
He was angrily shamed by what I said.