Pratfall - a fall onto one's buttocks.

Bewilderedly - to confuse or befunddle, especially with numerous conflicting situations, objects, or statements.

Titillation - To stimulate by touching lightly; tickle.

theremin - An electronic instrument played by moving the hands near its two antennas, often used for high tremolo

tabloid - A newspaper of small format giving the news in condensed form, usually with illustrated, often sensational

centrifuge - An apparatus consisting essentially of a compartment spun about a central axis to separate contained materials of different specific gravities, or to separate colloidal particles suspended in a

halting - Hesitant or 

probing - An exploratory action, expedition, or device, especially one designed to investigate and obtain information on a remote or unknown

stagnant - Not moving or flowing;

cacophony - Jarring, discordant sound;