A Very Small Penis that is incapable or entering a young lady. Derived from the English slang 'It Ain't In' and then shortened in the Northen dialect to 'T'aint in'. See also justin
Synonyms for tintin
On this page, you will find 30 slang terms related to tintin. Some of the top words include: tintin, weinus, bunio, fireman, rod, and 25 more.