Playing Peaches

1) The act of messing around. Not being serious.
2) A person who prefers to play games rather then accomplish tasks.

"That guy was supposed to get the materials for the big meeting. But he's just sitting around playing peaches."

Play in the peach

The art of performing any sexual activity that involves a vagina. The desire, or want to please a woman.

Could also be used to describe sex with a woman.

"Last night I got to play in the peach."

Or...
"I'm trying to get Gina to let me play in the peach."