Limpet

[Sonia]

In a general sense, any hatshaped, or conical, gastropod
shell.

[Jessica]

type of hugging or bodily contact that resembles a Limpet in its strength of attachment.

[Rihanna]

A limpet is a klutzy girl; a bad dancer.
It comes from the name of a slow-moving mollusk with a hard shell.