I have never heard that before, so I would have to guess. A "snotty handkerchief" might indicate:
Ignore him or be snotty or be mean.
A white handkerchief in the left rear pocket used to mean the guy was into first-timers, but the code is not standardized, and these things change over time.
If you mean handkerchief, the plural is handkerchiefs
That means "the handkerchief".
Handkerchief is a noun.
Moms are snotty because they think you will be sick!
An elaborate metaphor is also called a sustained metaphor. It is when a metaphor is referred to multiple times throughout a piece by the author.
you use a handkerchief you use a handkerchief
I hate Regal snotty owner and snotty athletes. no no no don't go there.
i believe it's a metaphor!
the handkerchief had some stuff too make dogs smell go crazy when they sniff the handkerchief
snotty