footsie

A flirting game where two people touch their feet together, under a table or otherwise concealed, as a romantic prelude.

Play “footsie” with him while dining out together.

The only downside to this is that you can’t play footsie. The table gets in the way. You'll have to come up with something fresh if you want to invite that wonderful person to finish the evening at your side for a stroll along the banks of the Seine.

A foot.

“Mother — Mother will you tie up my shoeies?” Susan’s lisping voice interrupted their conversation. / “Put a footsie up here,” Babs sang out. “’At’s a girl.”

One of the boys was seated on my white chaise-lounge. I put my five foot five down on the end of the chaise and said, “Move your footsies, Honey, Mother needs to park her tired ass.”

A selfie (self-taken photograph) of one's feet.

The FTSE and the FTSE 100 Index.

After the July 2005 bombings in London, when the Footsie, after an initial fall, rose to its highest point of the year, the Daily Mail praised its "stellar performance", the Independent its "bulldog spirit".