When a female partner initiates this behavior, her male companion, donned in rollerskates, places his palms together on top of his head mimicking a shark's fin. He rapidly skates toward her, penetrating her in the rear.
If that girl bends over one more time, I'm gonna ground shark that booty so hard she'll cough up her breakfast.
Used as an adjective, this term describes any person, male or female, who is extremely muscular and/or tanned.
Holy shit! That guy's so bowflex, I bet he could lift a house.