ADJ. This is the adjective from the word shar-pei and refers to penises that have too much foreskin. Although primarily a description of a slightly odd penis, the adjective has also come to be used for someone or something stupid.
Person 1 'I think it would be quite fun swimming downstairs... oops i mean downhill, but wouldn't it be hard swimming back up again?'
Person 2 'You are so sharp!'