A condition where breast tissue is composed of glands, ducts, and supporting tissue as opposed to fatty tissue. This type of tissue makes it difficult to read mammograms. It is normal for many women, but often means that mammograms need further testing.

Only a doctor should make the determination of dense breast due to the importance of properly reading mammograms.
The doctor asked for further mammogram testing due to dense breast tissue. But he said it is probably normal.
by spider_nole December 7, 2016
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When the titty is perky and firm, but maybe too firm. Its firmness adds a weight you wouldn't expect from a titty of the size. As if the titty is being weighted down by all the shit that bitch is hiding from you. Or it's breast cancer, 50/50 chance.
Havent seen my girl in awhile, i know she's up to something she's got those dense breasts.
by SystemError_404 December 13, 2016
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A Women who's breasts are very hard and full, the fatty tissue in the breast is more compacted, thus causing the breast to be volumous and firm.
"when I touched her tits, I expected fluffiness, but that hoe had some dense breast!"
by fathergracie September 30, 2016
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Like bags of sand. Often mistaken for implants, even on close inspection. The bane of mamographers everywhere.
Break out the MRI, we've got a real dense breast here.
by flippant_gibberish October 27, 2016
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Simply a Breast that is indeed Dense
Man, this chick I was with last night had some really and I mean REALLY dense breasts
by TelephotoTub46 September 27, 2016
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