A combination of the words "thigh" and "ankle". A variation of cankles, thankles are the non-definite ending of the thigh and beginning of the ankle. Most common in fat guinea pigs.
He is so fat and orange, he has like a triple chin. He has thankles.
1: For when the thigh extends to the foot, without the slightest of tapering.
2: A more severe case of Cankles.
Bobby: " Dude, did you see those girls? They were hot! I'd hit that!"
Fuzz: "Nah man. Did you see the girl in the middle? That girl had thankles!!!"
Group: "Thankles?"
when your tryna fight of a alien invasion
Obama: "Theres some darn tootin rootin shootin lazer pewing aliens out there bill"
BIll: "pew pew"
Obama: "thankls"