yer mother wears Army boots

This one is really, really old. Graffito found in the remains of Pompeii: Mater tua caligata est

Re: Flies in your nose.

Geezil, the shoe gobbler, one of the characters in the old Thimble Theater (AKA Popeye) comic strip, who hated (J. Wellington) Wimpy to pieces, used to refer to Wimpy as "flies in my soup", among other things.