Definitions by Zebra knob

A Zara 

To act as a third wheel, and make usually pleasant situations awkward.

while in the midst of a very steamy conversation, A Zara will come and put her head between the two of you and say something like 'Hey you Guys!' while being oblivious that she has just made the situation awkward.

A Zara by Zebra knob September 24, 2011