HAHA! Nice! I like how the bubble can barely contain all of it.
Hilarious! You've hit the perfect tone with the dialogue (y'know of conversationalists like her then...plead the fifth ;-) The Rhino's expression is the perfect coda.... annnnnd I dig the graphic style of the whole shebang... guess I'm saying it's grand all round!
Love this, the rhino looks suitably peed off.