Having an orgasm during a shit fit.
Her pent-up anger at his insolence finally completed itself in a perfect shasm.
by Cardinal Coolshoes March 09, 2009
A mixture of blood, semen, mucus and stool; which is the material "feltched" out of anothers anus/rectum.
Roderick was quite sated by the bellyful of shasm he feltched from the fetching Germaine.
by Dick Jablome April 09, 2008