A term related to the drug ecstacy. When the drug has run it's course you mayexperiencesmall "rushes" as the last of the drug leaves your system. These often involve a feeling of movement, optical effects and giggling. These are called sparkles.
"THUNDER THIGHS" are a fat girls thighs that are so humoungous, big & fat that they clap together when they walk. This produces a loud noise which goes like "SLAP, SLAP, SLAP" , hence the "thunder" part of the word.Also causes earthquakes,volcanic eruptions,and tsunamis from just one clap.So make sure you stay away.People have been know to wander near the thighs and never seen or heard of again.EVER
Damn son another girl must have Thunder Thighs cause there is a earthquake happing right now!