In restaurants, it is "boy butter" mixed into the gravy on dishes for rude customers, or any other person the provider of the butter doesn't like.
Note: it can also be mixed into salad dressing, or dessert topping, or barbeque sauce, or condiments, or...
"Bonjour, Chef Pierre, comment êtes-vous?"
"That woman at table 2 actually snapped her fingers at me and called me 'boy.' Can you believe that shit?"
"Then Chef Pierre will prepare some of his world-famous guy gravy!"
"Bon! Merci beaucoup!
To run the tip of your sex partner's penis around your genitalia and/or anus, in effect, "tracing" them with the dick.
"Dude! Did you score last night?"
"Sort of. She did a Dick Tracey around her asshole 'til I came."