Ninja Hands
The act of a girl blocking any advance of guy trying to remove her undergarments in the dark. Typically consists of strategic chops around the waste area while she is kissing. Always done in the dark with pinpoint accuracy no matter how intoxicated she may be.
Erin was giving Matt Ninja Hands all night long.
hand ninja
a person skilled in the art of sexual-pleasure, usually Asian.
that Japanese girl gives great massages! she's one hell of a hand ninja