Noticeably tight

This pic illustrates the problems caused by phimosis for good sexual functioning

Source: https://www.reddit.com/r/foreskin/comments/4b8b89/tight_skin_head_revealed_27_gay/

Editor Note:  Note the underside chamber isn't very pronounced and the glans isnt tilted back as it should be.  This could be due to applying too much pressure in masturbation.  See my blog: www.uktightforeskin.blogspot.com