take the number 11 bus
v. phr.— «“Taking the No. 11 bus” is slang for walking, with the 1’s representing your own two legs.» —“10 things you might not know about…“ by Mark Jacob Chicago Tribune Nov. 30, 2008. (source: Double-Tongued Dictionary)
Further reading
What’s it like to hike the Pacific Crest Trail all the way from Mexico to Canada? You’ll end up with sore muscles and blisters, and great stories to tell. Along the way, you’ll also pick up some slang, like NoBo, SoBo, Yo-yo and...
Mary Beth in Greenville, South Carolina, wonders: Why do we say four-oh-nine for the number 409 instead of four-zero-nine or four-aught-nine? What are the rules for saying either zero or oh or aught or ought to indicate that arithmetical symbol...