It is akin to “Sir” and it represents the highest form of respect that one can give to another in that context.
I mean, calling someone “Sir” or “Ma am” even if you never even met them before is simply a sign of appreciation of one’s station.
Boxer totally does not “get it.”
And she serves in the Senate?
It is normally used when addressing a superior. Perhaps he erred in the use of "Ma'am" and the use of 'senator' is more appropriate.
serves
in the Senate . . .
I think, then, that must be akin to . . .
Farmer brown’s brood mare being
“serviced” by neighbor John’s stallion.
Obviously Boxerface must be the servee . . . being the flaming media ho, she so relentlessly is.
. . . except, of course, when writing legislation or opening her mouth . . . when she’s obviously the servicer in the great farming tradition.