The discussion centers around humorous and clever bumper stickers that participants would like to display. Various suggestions are shared, including a play on political humor with "Frodo failed. Bush has the Ring," and practical messages like "Move over slowpoke!" and "The gas pedal is on the right." Participants also mention creative ideas such as backward lettering to confuse other drivers. The conversation shifts to funny t-shirts, particularly one featuring a math joke that equals 69, sparking interest in its meaning and humor. Other notable stickers discussed include witty takes on common phrases, like "If you can read this, my caravan's fallen off," and humorous reflections on life and relationships. The thread showcases a blend of lighthearted banter, personal anecdotes, and a shared appreciation for clever wordplay in bumper stickers and shirts.