Yes (Anal time)

Not wasting another second, Flubber used his mass to shift everything of himself into her all at once while she was busy with the cucumber. She gasps suddenly as something slimy and warm entered her.

Sally sat up, closing Flubber into her anus, and pushed her fingers into her ass to feel if something really did go up her. She didn't feel anything slimy inside, until she tensed up as something was moving up from that entrance.

Sally gasped and tried pushing the thing out, squatting and hunching forward a bit to try to coax him out of her. "Hey, whatever you are, get out of me! I c-can feel you!"

She wailed desperately as Flubber didn't seem to move yet.