PRE-TEEN BOY #1: "...and he told me, 'Watch your language.' You can't do that. You listen. You can't watch your language."
PRE-TEEN BOY #2: "You can. You can think about what you're sayin' before you say it, and you can watch what you say. It's like a metaphor.
PTB#1: "A figure of speech."
PTB#2: "A metaphor is a figure of speech."
PTB#1: "Yeah, but 'Watch your language' isn't a metaphor."