When an individual inserts ones fist into their father's rectum, using quiche as lubricant.
Chris was looking forward to a night of quiching over the weekend.
by Aiiiiiiiiii February 18, 2012
1 more definition
The act of inserting a student's class ring (primarily a high school class ring) into another student's rectum, possibly as a preliminary to other sexual activity.
Brian was quiching Sandy after school, in order to spread her open for later.
by Jordache DeWitt November 14, 2007