a person's care. to be under one's umbrella is to be under their care and supervision; likened to 'taking someone under their wing'. most notably found in Rihanna's song "Umbrella"
Now that it's raining more than ever, know that we'll still have each other; you can stand under my umbrella.
When you slide one finger up a girls butt, pull it out and sneak two fingers in with the second finger flush behind the first. Once they are both in, seperate and spread your fingers apart.