The term 'churn plunger' refers to a tool used to unclog drains. The crossword solutions for this term are 'dasher' (6 letters), 'DETONATE' (8 letters), 'CLOG' (4 letters) and 'unstop' (6 letters). 'Dasher' is a verb meaning to move quickly in different directions, while 'DETONATE' means to cause an explosion. 'CLOG' is a noun referring to an obstruction in a pipe or drain, and 'unstop' is a verb meaning to remove an obstruction. Together, these words describe the action of using a churn plunger to unclog a drain.