Okay, well, that's the part where I'm a wink, a wink, the jerk to stop already get out of the bitter part and play in the hay, Get out of the bitter barn and play in the hit bidders and adjectives used to describe feelings of anger and unhappiness by get out of the bitter barn, Phoebe is essentially saying Chandler's stop complaining and play in the hay, which is a metaphorical way of saying he should cheer up or feel happier.