Harley Geoffrey Smith spat at a man leaving his victim’s face and chest covered in saliva.
The 26-year-old also deliberately closed him in a door at Osborn Road multi-storey car park in Fareham on February 5.
He has pleaded guilty to assault, assault by beating and failing without reasonable case to surrendering to custody.
Smith, of no fixed address, was remanded into custody at Portsmouth Magistrates’ Court.
His case has been adjourned until August 23 for a pre-sentence report to be prepared.
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