Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun whopper

2 senses of whopper

Sense 1
whopper, walloper -- (a gross untruth; a blatant lie)
       => lie, prevarication -- (a statement that deviates from or perverts the truth)

Sense 2
whacker, whopper -- (something especially big or impressive of its kind)
       => thing -- (an entity that is not named specifically; "I couldn't tell what the thing was")