Call your mum and seem give an innocent tone when talking to her
Sprint past her about 6-9ft and then resume walking. Periodically look back to make sure no creepers are following her.
I would pose this question to the women of MassimoL rather than the mean. An idea is to cross to the other side of the street but honestly I am not sure there is a correct answer due to the sad ass society we live in.
Teleport using instant transmission
I typically cross the street then walk fast enough past her and wherever I no longer seem creepy.
Either that or just pull your phone out and wait back for her to move off