She wasn't bullying him, but he may have been referring to the repeated times she called him a liar in front of everyone (with her trademark smile and giggle of course). (This was on the feeds, but the season's over so I wouldn't call it a spoiler at this point.) She was messing up his game, and he reacted by making sure she was tossed after Amanda.
His game wasn't pretty, and he acted like a scaredy-cat at times, but with this cast, that was enough to make him a winner.
"Whatever you are, be a good one." – Abraham Lincoln
What is an "MFWalkoff?"