When you put your whole fist inside her and repeatedly open and close it like your doing the hand actions to the nursery rhyme "twinkle twinkle little star".
Girls, my boyfriend twinkle starred me last night and now my fannys as vast and wide as the milky-way.
A twinklebear is a hybrid of a Twink and a bear.the twinklebear is most known for taken it on all fours.the best twinklebear in the world is Seth of Tennessee
A boyish-looking gay guy with a hairy back and hairy knuckles. (Like a young Sylvester Stallone, or what he would have been had he not been cast for Rambo).
Hey, look at that twinklebear over there-- Do you see the hair coming out of the back of his rainbow tee shirt?!?