Tickling is the act of touching a part of a body in a way that causes involuntary
twitching ... Other commonly ticklish areas include the underarms, sides of the
torso, neck, knee, midriff, perineum...
Learn more about ticklish spots at HowStuffWorks. ... The soles of the feet and the
underarms are two of the most common ticklish places on the body. But the ...
Begin to tickle the armpits with the sides of your feet. Move your feet along the
ribs as well. You can start tickling the lower back with your hands for maximum ...