[n] extravagant exaggeration
A large exageration, usually used with humor.
The fish was a football field and a granny long.
figure, figure of speech, image, trope
abandon, abstractionism, aggrandizement, amplification, ballyhoo, big talk, blowing up, boundlessness, burlesque, caricature, coloring, deformation, dilatation, dilation, distortion, egregiousness, embellishment, enhancement, enlargement, enormousness, ex