The phrase 'wipe the floor with' is an idiom that means to defeat someone or something decisively. The crossword solutions for this phrase are ROUT (4 letters), MOP (3 letters), and SMEAR (5 letters). ROUT is a verb meaning to force someone or something to retreat or flee in confusion. MOP is a verb meaning to clean a surface by rubbing it with a MOP. Lastly, SMEAR is a verb meaning to spread a substance over a surface. Therefore, the phrase 'wipe the floor with' can be interpreted as using a MOP to spread a substance over a surface in order to defeat someone or something decisively.