Cruising For Burgers lyrics

I must be free
My fake I.D.
Freeeeeees me
Gotta do a few things
To make my life complete
I gotta live my life
Out on the street
The difference between us
Is not very far
Cruising for burgers
In daddy's new car
My phony freedom card
Brings to me

Submitted by Guest

What do you think is the meaning of Cruising For Burgers by Frank Zappa?