by The Zakman ^-^ September 26, 2012

big tits. Derived from the F-cup chick Bernadette, nicknamed Detticles. Somehow this name was changed to Callisters, which now means big tits.
Her callisters were popping.
by Rutgers Univ April 13, 2005

Why does my callus hurt so much? And why is it SQUISHY?!" "It's because you ran too much during manhunt last night... You got a blister under your callus now. It's called a callister, get with the program man!
by VotC December 23, 2010
