The practice that is popular in Japan that involves the pulling down of unsuspecting women's tops in public exposing their breasts, known as "topsharking", whereas "lowsharking" involves the pulling down down of unsuspecting women's panties in public.

To pull a girl's panties down in public, usually when she's wearing a short skirt. Very popular in Japan.

when someone (usually a male), is pursuing someone of the opposite sex tirelessly

Popularised by 'Questionable Content' cartoonist Jeff Jacques in comic #1397, sharking is the act of pressing ones' erect penis against the side of a sleeping partner.

When a couple is sleeping, the guy starts to cuddle the girl in his sleep, and she gets woken up by "something" poking into her side.

Secretly filming women whilst raising their skirts and pulling down their underwear. It originated in Japan but has now spread to Europe. reverse Sharking describes the pulling down of women's top garments.

Sharking is a parking phenomenon where a group of people in vehicles circle a completely full parking lot in an attempt to take the first spot someone else vacates.

The end result is a line of vehicles circling around a parking lot, much like sharks in the movies.