On American lingo

The Scene: A happy group of drinkers around a table in a bar. One returns with a round of drinks; one of those drinks is placed in front of a person who hadn't quite finished their previous drink yet.

American Guest Star [in typically loud, piercing American voice]: "Hey, you're double fisting!"

A stunned silence falls abruptly, including the surrounding tables. American Guest Star remembers which country she's in, and hastily explains that she means double-parked.

Complete Stranger: "Well, he might be double-fisting later tonight, love, you never know."