The most common and most likely answer to this crossword clue is the 6 letter word BITING
I've seen this crossword clue in The Daily Telegraph
B
I
T
I
N
G
More clues leading to the result BITING
- Cold metal, large traps
- Great to drink can – bitter
- Grand houses can chill
- Preserve important houses, as bleak
- Keen to pump metal into giant
- Generous to carry the can? That’s harsh
- Extremely cold, some climb it in Garmisch
- Like something pungent? Crooner captures it
- Cold metal, large cups
- Very cold metal in jumbo
Buddy explains!

The straight part
We know that "Extremely cold" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case extremely cold = biting.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BITING mean?
BITING verb- To cut into something by clamping the teeth.
- To hold something by clamping one's teeth.
- To attack with the teeth.
- To behave aggressively; to reject advances.
- To take hold; to establish firm contact with.
- To have significant effect, often negative.
- (of a fish) To bite a baited hook or other lure and thus be caught.
- To accept something offered, often secretly or deceptively, to cause some action by the acceptor.
- (of an insect) To sting.
- To cause a smarting sensation; to have a property which causes such a sensation; to be pungent.
- (sometimes figurative) To cause sharp pain or damage to; to hurt or injure.
- To cause sharp pain; to produce anguish; to hurt or injure; to have the property of so doing.
- To take or keep a firm hold.
- To take hold of; to hold fast; to adhere to.
- To lack quality; to be worthy of derision; to suck.
- To perform oral sex on. Used in invective.
- To plagiarize, to imitate.
- To deceive or defraud; to take in.
- An instance of something being bitten.
- Causing a stinging sensation.
- Cutting or incisive.
- Tending to bite.