Estrogens (alternative spellings: oestrogens or œstrogens) are a group of steroid compounds, named for their importance in the estrous cycle, and functioning as the primary female sex hormone. They are used to generally describe womenly hormones.

The counterpart for this is testosterone.

An endearing way for a man to define his female friends.

You can define it as xultimax

Womanly, any phrase or word when said that could cause others to question one's manhood.

Behavior or attitude resulting solely from a peak in estrogen, reserved primarily for women, but once upon awhile you'll see a guy do it.

Estrogen....simply enough....is God's curse on man

Estrogen is the primary female hormone that makes them have a big butt and that’s why they have boobs