1 definition by neil thomas

Top Definition
The practice of approaching one's ladyfriend at speed, leaning forward with hands together on one's head as a shark fin, ending with the insertion of this fin into her front bottom.
Jane: Hey Amy, how was the film last night?

Amy: Not bad. I guessed the ending. Tell you what though, Rob gave me a good old landsharking when I got home.

Jane: What a toerag!
by neil thomas April 14, 2007

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