The term 'Shake a Bit' can be solved by the crossword solutions of SHIVER (6 letters), JIGGLE (6 letters), and JAR (3 letters). Shivering is an involuntary response to cold temperatures, where the body shakes in order to generate heat. Jiggling is a more voluntary form of shaking, often done as a dance move or to express excitement. Finally, a JAR is a container with a lid that is used to store items. Together, these three words can be used to describe the phrase 'Shake a Bit'.