A man with buck teeth allegedly stalked a teenager, before grabbing her on her way to school in Melbourne’s south-east and kissing the top of her head while she struggled to get away.

The frightening incident was part of a string of creepy encounters that occurred throughout August and September while the 18-year-old was walking to school in Springvale.

The first time the teenager saw the man, he was wearing a fluoro yellow polo top with socks pulled up around his calves.

He was walking a golden-brown dog, believed to be a Staffordshire Bull Terrier called ‘Honey’.

The unknown man approached the girl on several occasions, culminating in an incident on Tuesday, September 15, that left her shaken and fearing for her safety.

About 8.25am, while the teenager was waiting for a friend on Mile Creek Path, the man put his arm around her and pulled her against his chest.

When the girl tried to pull away, the man tightened his grip and kissed the top of her head several times.

He then let her walk away after she continued to struggle.

Police have released a computer-generated image of the man, who is believed to be aged in his 50s.

He is described as being of Caucasian appearance and about 180 centimetres tall, with a slim build, grey hair, a receding hairline and sideburns.

The man is also described as having wrinkles and protruding front teeth. Anyone with information is urged to contact Crime Stoppers on 1800 333 000.