Pubic hair that is untrimmed and so long that it hangs down one's leg similar to side burns. Similarly the chafing from such long hair literally causes friction burns on the thighs.
Noun - The androgenic hair that grows on the upper thighs of post-pubescent humans (yes boys and girls, or men and women more appropriately - we've all got it, to a lesser or greater extent) that can look like it has 'escaped' from the pubic area.
Not to be confused with pubic bangs.
It complements and sits in opposition to the treasure trail.
After the bong incident in the tabloids Michael Phelps thigh burns were the least of his worries.
Ha - thought Julia Roberts - they're freaking out over armpit hair, what the hell would they do if they saw my beautiful thigh burns!