
For certain purposes, the quantifier phrase 'a few' may be treated as being logically equivalent with 'some'; further, logically speaking, 'some' specifies a minimum value but not a maximum value (x is equal to or greater than 1): "You ate some cheeseburgers" can thus be taken to mean that you ate one thousand cheeseburgers.
These women are aware of this and are really logical geniuses subtly showing off their intellect -- rare finds and surely worth a date!