It's "Sharp as a tack." And it means that the person is of high intelligence. Example : Person : "My son got a perfect score on his history test!" Person2 : "Yeah, that boy is sharp as a tack."
quick witted
Comes from your mother's vagina.
"Sharp" is a slang term for intelligent or capable. It means the most capable or smartest in the group.
The idiom "eagle eye" refers to having an acute eyesight, or an intently watchful eye. It refers to the sharp eyesight of an eagle, which are known for seeing fish from hundreds of feet up.
It's "Sharp as a tack." And it means that the person is of high intelligence. Example : Person : "My son got a perfect score on his history test!" Person2 : "Yeah, that boy is sharp as a tack."
The idiom itself doesn't exist. You can use "skarp som en kniv" or "skarp som en rakkniv" which means sharp as a knife and sharp as a razor, respectively. Since it is a similie it will be understood although it's not a very common expression.
A horse will wear a horseshoe that is small and sharp.
There are many names for small sharp pins such as: Pins, Needles, etc. The one that is most likely is a tack. That is probably your answer, a tack.
quick witted
Pin , Scissors , Sharp nail/tack
No, it is better used to mean perceptive, or sometimes cunning.
It is an old saying meaning that the person is sharp, or very intelligent.
First, get your cliches correct. It's SHARP AS A TACK and that should make it obvious. Tacks are little nails, and they're sharp on one end.
The idiom "you are such a brain" is typically used to compliment someone's intelligence or cleverness. It means that the person is very smart or sharp-minded.
sharp eye means see small to small things easily
Someone who is quick to come back with a witty, smart, or brilliant answer.