builder's cleavage
The top of the buttocks showing when a pair of trousers are worn too low, or when the…The top of the buttocks showing when a pair of trousers are worn too low, or when the wearer is bending over.
Meaning
1 senses(UK, slang, uncountable)The top of the buttocks showing when a pair of trousers are worn too low, or when the wearer is bending over.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable