There is a total of 31382 clues beginning with on
- One blowing up when threatened
- One Bolivian capital
- One bombarded with HuffPo headlines upon logging in, probably
- One boon of modern days
- One born 2/8/83?
- One born a serf
- One born a serf: Feudal law
- One born between the mid-1960s and 1980
- One born during a period of sharp increase in the birthrate
- One born in early August
- One born in fall
- One born in Muscat
- One born in the '50s
- One born in the late 1940s or '50s
- One born in the wrong generation, maybe
- One born looking "like a hairy garment": Genesis
- One born near the Butt of Lewis
- One born of a serf: Feudal law
- One born on a kibbutz
- One born on April 1
- One born on April 1st
- One born on April 1st, signwise
- One born on April 7
- One born on Christmas Day
- One born shortly after WW II, informally
- One born there
- One born to receive
- One born under the sign of Cancer
- One born under the sign of the ram
- One born unfree
- One born yesterday
- One bottled up
- One bounce, in baseball
- One bounce, on the diamond
- One bounced by a bouncer
- One bouncing off the walls
- One bound by the Hippocratic oath
- One bound by vows
- One bound to do work
- One bound to hold notes?
- One bound to land
- One bound to succeed
- One bound to the land
- One bound to work without pay
- One brainstorming catchphrases
- One brand's items, collectively
- One braying
- One breaking and entering
- One breaking away
- One breaking barriers
- One breaking down in school?
- One breaking in
- One breaking new ground?
- One breaking up
- One brewing in a cup
- One brick shy of a load
- One bringing a case
- One bringing a speaker onstage, maybe
- One bringing candy and flowers
- One bringing down the ball carrier
- One bringing flowers and candy
- One bringing home the bacon
- One bringing to mind
- One bringing up the rear
- One broadcaster, or two poets
- One broadcasting programs
- One brought down the Titanic
- One brought to a potluck
- One Brown and one brown
- One building buildings
- One building buildings?
- One built for Broadway
- One busting a pusher
- One busy during a rally
- One busy in a leaky boat
- One busy with a hammer
- One busy with paper work
- One buying a round
- One buying meat after the "sell by" date?
- One buying stolen goods
- One buying time, perhaps
- One buzzing
- One buzzing off?
- One buzzing?
- One by one
- One by one the klutz _____
- One by one: Fr
- One by one?
- One cabbage
- One cabinet in a kitchen, typically
- One calamari order for another?
- One called "Esq"
- One called "hizzoner"
- One called "The Lion of God"
- One called Miss
- One called to the bar (abbr)
- One called upon to decide
- One called upon to talk?
- One calling about a tower, maybe
- One calling at peak times?