Acronym for This Is The Correct Motorcycle. A popular Internet acronym of unknown origin, "TITCM" or sometimes just "Motorcycle", or a picture of a motorcycle, denotes agreement with someone's post. See also TINTCM.
1. A profanity used to describe a complete asshole, generally used on buses and public transport to retaliate to homophobia and bigotry.
2. Someone who cannot be solely described as either a tit or cunt.