Trickle down is an economic theory that suggests that when money is given to the wealthy, it will eventually 'trickle down' to the lower classes. This theory is often used to justify tax cuts for the wealthy. The two crossword solutions for this term are DRIP and SEEP, both of which refer to the slow and gradual flow of money from the top to the bottom. DRIP is a verb meaning to flow or leak in drops, while SEEP is a verb meaning to pass slowly through pores or small holes. Both words accurately describe the slow and gradual process of trickle down economics.