"Do you deny it, then?" insisted the fat boy.
"In the language of the guide, 'yassir, nassir.'"
"I'm wise to you," declared Stacy, after regarding his companion searchingly.
"Look out!" warned Tad. "You are talking slang again."
"I don't care. It takes strong language to fit this case."
"Now please explain your remark of a few moments ago, Tad," requested Professor Zepplin.
"I don't know that I can explain it," returned Tad.
"You saw something?"
"Yes, sir, I did."
"What did you see?"