Ambiguous. Use one of the following:
- Supporting one's own Breasts with one or both arms underneath: Arm Under Breasts or Arms Under Breasts.
- Supporting one's own breasts with hands underneath: Breast Lift
- Groping or fondling one's own breasts: Grabbing Own Breast.
- Pushing breasts together from the sides: Breasts Squeezed Together
- Simply placing a hand or hands on one's own breasts: Hand On Own Chest or Hands On Own Chest