wipe the floor with

wipe the floor with somebody

(British, American & Australian) also mop the floor with somebody (American)

to defeat someone easily Alex is always really good in a debate, she'll wipe the floor with them.

Name	Pronounced	Usage
Rossa	ROS-sah	Italian
Sindri	-	Norse Mythology, Ancient Scandinavian, Icelandic
Andreia	-	Portuguese
Thea	TE-ah (German), THEE-ə (English)	German, Swedish, Danish, Norwegian, English
Graciela	grah-THYE-lah (Spanish), grah-SYE-lah (Latin American Spanish)	Spanish
Ernestina	-	Italian