| Idiom | Meaning | Example |
| bigmouth |
someone who talks too loud, loud mouth
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Every crowd has a bigmouth - some guy who yells at the cops.
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| bilk |
cheat, defraud, ripped off, taken
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He bilked me. I gave him $100 for the tickets and he kept the change!
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| bimbo |
(See a bimbo)
|
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| binner |
a person who scavenges in garbage bins, Dumpster diving
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Some binners work in pairs. One guy climbs into the bin and hands the stuff to his partner waiting outside.
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| birdbrain |
a person with a tiny brain, dumbo
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Hey, birdbrain. Why are you throwing money in the river?
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| birder |
a bird watcher, one whose hobby is watching birds
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Some birders were looking at an oriole in a poplar tree.
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| birds of a feather flock together |
people with similar feelings and attitudes
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Art and Don are birds of a feather. They like cars and football.
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| birthday suit |
naked, nude, in the buff
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"Do you wear pajamas in bed?" "No. Just my birthday suit."
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| bit by bit |
doing a small amount each time, little by little
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Bit by bit, they rebuilt a church that was destroyed by bombs.
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| bit off |
(See a bit off)
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