Wheezy relates to someone struggling to breathe, commonly due to asthma or chest infections.

Breathing Difficulty

Sometimes, 'wheezy' indicates temporary breathlessness from exertion, not necessarily a health problem.

Not Always Serious

The seriousness of 'wheezy' can vary. In medical contexts, it often implies a greater concern.

Context Matters

Wheezy often implies mechanical equipment is old or in need of repair.

Malfunctioning Equipment

A wheezy sound from a machine suggests it may be aged or worn out.

Indicator of Age

In a metaphorical sense, 'wheezy' can be used humorously to describe something old-fashioned or outdated.

Nonliteral Usage

 And when I listened to her, she was making a wheezy sound. And when I listened to her chest with a stethoscope, I could hear crackly sounds on both sides that told me that she was in congestive heart failure. This is a condition in which the heart fails, and instead of being able to pump all the blood forward,

Brian Goldman: Doctors...

 when you do a commercial operation you don't get to handle the Lambs like we do here but each and every one of them we get to handle and and work with and you do become a little bit more attached they have name this is wheezy there's significant value in what we do they're

Researching How to Live...

 A spot of limbering up accompanied by a weird and wheezy call from deep in his throat.