Tod: 'Man, tits a bit nipply outside'
Girlfriend: 'Excuse me honey?'
Tod: 'It's cold outside dear, and your nipples sticking through your shirt only adds to the effect.'
Girlfriend: 'Hehe :)'
(phrase): a term for female (or some male) mammary glands, often referred to as breasts, that are sagging to the floor due to the force of gravity and bounces in a flopping manner every time the owner of said glands are moving.
(n.): a nickname for someone whose tits are flopping