A phrase used by an overbearing, nonathletic parent to brag about the sporting prowess of his/her son or daughter in a particular sport. In most cases, the child is more coordinated than his/her parent ever dreamed of being.
"I clocked him at 35 mph and he is only six, You can't teach that!"
"You should see the look in his eye when he is on the mound, You can't teach that!"
"I know he is only 6 but MY GOD he plays with 8 year olds, You can't teach that!"