Final answer:
In 'Grease,' Frenchy's remark about someone wearing 'falsies' humorously reveals a secret, commenting on the pressures of beauty standards and the comedic effect of candid exposure.
Step-by-step explanation:
The line "I happen to know she wears falsies" from Frenchy in Grease alludes to the character's knowledge about someone using artificial means to enhance their appearance. The implications of this statement suggest deception or the desire to appear different from reality, which can be seen as a comment on the pressure to meet certain beauty standards. The humor in this statement arises from the bluntness and casual revelation of the secret, which undermines the effort to maintain the illusion and adds comedic value to the dialogue.