thats not penetration, unless you have freakishly small fingers. but it is assult
pen·e·tra·tion ( P ) Pronunciation Key (pn-trshn)
n.
The act or process of piercing or penetrating something, especially:
The act of entering a country or organization so as to establish influence or gain information.
An attack that penetrates enemy territory or a military front.
Insertion of the penis into the vagina or anus. [mouth aswell i beleive - Serius]
The power or ability to penetrate.
The depth reached by a projectile after hitting its target.
The degree to which a commodity, for example, is sold or recognized in a particular market.
The extent of influence that one culture or nation has on another.
The capacity or action of understanding; insight.