When a girl is giving a male oral sex and uses the roof of her mouth to increase the pleasure for the male participant causing him to feel many times pain as the roof of her mouth is very coarse, yet pleasure at the extreme level also causes the reciever to coat the roof of the mouth with a metallic shine, same as Tin Roof, just immediatelyafter anal sex
A common phrase used amongst individuals on College Campuses in Northern Indiana and southern Chicago. Means a creepy college kid who frequently misses class during the beginning of freshman year in pursuit of younger girls.
Charlie really thinks its ok to just "Daniel Tin" all the ladies on Friday even though he has an exam.