Alison Bowen was more than twice over the drink-drive limit when she struck Paul Novak on the A21 at Robertsbridge in November last year, a spokesperson for Sussex Police said.
She struck him with such force that her windscreen shattered and the front of her Fiat Punto was caved in – but later told officers she thought she had only hit a badger.
Bowen then drove off, leaving Mr Novak’s body in the road.
She continued in her smashed car until she got to Battle and crashed off the road again.
Mr Novak, 50, of St Leonards, died at the scene.