Under you means that you are under someone or that something has been forgotten.
What does taken under submission mean?
What does the number under the barcode on a can of dip mean
under the / about the
What do you mean by Marginal probailities under statistical dependence
Went under is used to mean they have failed, as in drowning. A business that went under is one that has closed or gone bankrupt.
To give up under pressure
an
It means to be under pressure... A cosh is a small weapon used to beat people with, so if you're under it, you are in danger. "Massively under" would mean way, way under or in a lot of trouble.
It appears to mean: Illinois(?) operating motor vehicle under suspension.
It means your neck is wet. Perhaps you mean hot under the collar, which means angry.
sus-: less or under
under means below or beneath