Parking a car (park) and talking for a variable length of a time (bark), often with the presence of food.
Kevin: Hey Lauren, do you want to go to Wendy's and have a park and bark?
Lauren: *Hearty laugh* Oh man I could go for a frosty.
Kevin: ... and fries, too?
Lauren: Oh, my, god, yes
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.