a person who breathes stertorously or with difficulty
2.
an anonymous telephone caller who imitates such sounds, as being suggestive of sexual excitement
Examples of 'heavy breather' in a sentence
heavy breather
The phone rang at eleven, and I picked it up and it was the heavy breather again.
Isabel Wolff RESCUING ROSE (2002)
We've all had unsolicited phone calls - they are a condition of modern life - ranging from heavy breathersto heavenly offereeees and tedious time-wasters.