| YOYO | Move up and down like body weight or a toy on a string: Hyph. |
| YOYODIAMETER | Doubled radius of a toy on a string? |
| PUTT | Old word for a bumpkin or a greenhorn; a nap-like card game; a hurl or throw of a stone or a weight; or, a gentle stroke to roll a golf ball across the green, ideally into the hole (4) |
| ANDREWS | "All careers go up and down like friendships, like marriages, like anything else, and you can't bat a thousand all the time." She was an aspiring nun in The Sound of Music. |
| SQUEAKER | A pigeon squab; a wild boar piglet; an informer; a narrow victory; or, a toy that makes a sound suggestive of a (8) |
| BOB | Move up and down like a buoy in the ocean |
| YOYOS | Toys on a string: Hyph. |
| CATSEYE | Name of a chartreuse-yellow variety of chatoyant chrysoberyl; a planetary nebula; a reflective road stud; a sea snail; or, a toy marble, reminiscent of an oeil de chat (4-3) |
| PUMP | Move up and down, like a handle |
| BOBBLE | Wiggle up and down, like the head of a ballpark doll |
| TALENT | Ancient Babylonian, Greek or Roman unit of weight; or, a word for natural aptitude or skill (6) |
| WINDMILL | A building with sails or vanes generating power to grind grain into flour; or, a toy whirligig or pinwheel, suggestive of said aerogenerator (8) |
| ALLEY | From "to walk", a word for a backstreet, bowling lane, narrow road or passageway; or, a toy marble (5) |
| GASHOLDER | It goes up and down like a barrage balloon |
| YODEL | Go up and down like a mountaineer? |
| ROTOR | Up and down like a propeller. (5) |
| BOBS | Bounces up and down, like a buoy |
| ECHELON | Derived from the French for rung or ladder, a step-like body of aircraft, troops or ships also used to describe birds in flight or a peloton in crosswinds (7) |
| ASEESAW | Up and down like ___ |
| CHEQUERED | Up and down, like second column? (9) |