Titser means that the teacher has a nice rack. It is derived from the word Teacher. A teacher is to teach, as a titser is to tits. A titser uses her boobies to get the attention of the students, but the students are really paying attention to somewhere else (particularly the titser's tits).
by mike0913 April 2, 2008
Get the titsermug. A woman whose tits are very large and does not wear a bra so they jiggle and bounce for everyone to see. Also u can see her nipples.
by Skello194 July 16, 2013
Get the Titsermug.