IDIOMS

walk all over

(transitive, idiomatic, colloquial) To easily beat a competitor in a contest; to win without much effort.

Example: Used other than as an idiom: see walk,‎ all,‎ over.
  He walked all over the Lakes region that Summer.
1913, Robert Herrick, One woman's life, page 104:
  They don't lie down before their husbands and let them walk all over them.
2006, Eddie Kantar, Bridge for Dummies, page 4:
  Part V: Playing a Strong Defense and Keeping Score: You just can't let your opponents walk all over you!