polka /pōlˈkə or polˈkə/

1. A Bohemian dance or a tune for it, in 2–4 time with accent on the third quaver, invented about 1830
2. Applied to various things fashionable at the same time, esp a woman's jacket

To dance a polka (also polk)

polka dot noun

Any of a number of large dots in a pattern on fabric, etc

• not see further than the end of one's nose
• not see the wood for the trees
• nott
• not take no for an answer
• not tell chalk from cheese
• not that
• not the end of the world
• not the faintest
• not the full quid
• not the full shilling
• not the word for it
• not to be sneezed at
• not to be sniffed at
• not to give a monkey's
• not to have a ghost
• not to have a ghost of a chance
• not to know a B from a battledore
• not to lead the life of a dog
• not to mention
• not to put too fine a point on it
• not to say
• not touch with a bargepole
• not to worry
• Notts.
• not turn a hair