Stuff penis down the neck like it's lozenges
Lozenges, (more commonly known today as cough drops) are small, medicated tablets that are dissolved in the mouth and are used to temporarily stop coughs and soothe sore throats.
Your girlfriend, whom Bronson mentioned in the previous line, is giving him a blowjob. His dick is in her throat in the same way a lozenge would be.
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