Possible Clues:

• Unkempt individual
• Place to pick up a kitten
• Trump after starting: 'Some chicken! Some neck!'
• Down-at-heel bloke gets right into scrape
• Messy sort runs when brush is around
• He looks as though he hasn't washed the back of the neck
• One probably wouldn't wash the back of the neck
• More than just a five o'clock shadow
• An unkempt person, namely Trump
• Tatterdemalion gets it in the neck