The phrase "land shark" refers to a fictional creature that is a shark but lives on land instead of in the water. It is often used humorously to describe someone who aggressively tries to sell or trick others. Full definition
Their party will include Land Shark bucket of beer (6 beers) for $ 25.00. (tacogirl.com)
Instead, he offered better business advice and the secrets to landing a Shark Tank deal at the iConic Tour in New York City on Wednesday. (inc.com)
Ole Miss isn't much of a field position team (48th in field position margin), but it hasn't cost the Rebels because of big offensive plays and a dominant Land Shark defense that combines big - play prevention (first in defensive IsoPPP) with chaos (10th in Havoc Rate). (sbnation.com)