To hang upside down in a bat like position with you arms in a v shape against your hips. Pictures will then be taken and uploaded to social networking sites. The more unusual the position and place, the better the batting.
John: Yo, bros! Wanna go out and do some planking tonight?
Jeff: No way homeslice, we should do owling instead!
Jimmy: You two are both wrong! We gotta be doing batting now, planking and owling are so 2010!
Coming from the term bat which means marijuana cigarette, batting is to smoke multiple "bats" with a group of friends over the course of one day, usually outside and in different locations.
When two people, typically baseball players shove a baseball bats in their anus while the other puts a baseball in their anus. They then proceed to pass gas aggressively causing the bat and ball to fling out, ball hitting the bat.