Answer:

kneesies

Answer	Crossword Clue
KNEESIES	Under-the-table flirtation
KNEESIES	Clandestine canoodling
KNEESIES	Flirt's game

KNEESIES	Under-the-table activity
KNEESIES	Under-the-table action

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.