Friendstruck 

The second that you see and meet the person, and be friends you are instantly in love. Head over heels, can't stop thinking about them, want to be with them, hold them hug them, & be held and hugged and loved by them in return.

In an instant I was friendstruck with her and couldn't get her out of my mind.

In an instant I was friendstruck with him and couldn't get him out of my mind.

Friendstruck by AlexDictionary October 25, 2010

friendstrual cycle 

The back and forth Love/Hate relationship women have with their female best friends

"What's up with Sarah and Alexis? Last week they were calling each other b****es and this week they're all Oprah and Gayle again."

"It's just part of the friendstrual cycle. Just roll with it."

friendstrual cycle by GrumpyDoc November 11, 2011