The funny part isn't that the angry Dairy Queen customer threw a cake.  Its how she got caught.

In another episode of "Ohio, Stop It" a grown woman throws a messy tantrum according to Cleveland.com,

Police were called to a Dairy Queen restaurant at 8 p.m. Feb. 15 fir a disturbance. Management told police that a woman came into the restaurant around 8 p.m., angry about her ice cream cake melting. When she was told the cake would not be replaced, she reportedly threw it across the counter and left.

The Brunswick police gave her a warning for disorderly conduct and trespassing after they found the suspects wallet in the parking lot.