A thick ankle that is not quite as large as a cankle.
My girlfriend doesn’t have cankles, she 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"