Then, I use my right thumb and index finger to place the pill at the very back of the tongue. (countryliving.com)
Bones had a six inch branch beginning at back of his tongue and ending deep in his throat. (hamboneaward.com)
As Malcolm Gladwell writes in The New Yorker, «the taste of Heinz's ketchup began at the tip of the tongue, where our receptors for sweet and salty first appear, moved along the sides, where sour notes seem the strongest, then hit the back of the tongue, for umami and bitter, in one long crescendo. (myrecipes.com)