Knee high boots worn by girls/women who want to be fucked, the boots are used as a communication tool to signal to men they wanna get banged ASAP.
Cyril - 'PWHOAR! Paul's sister was at the school gates earlier.'
Cecil - 'Was she wearing her ComeFuckMeBoots?
Cyril - 'Yep.'
Cecil - 'Oh SHIT! I missed her.'
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).