Having to pay an amount of money for something, especially if unexpected or having to pay more than one thinks is a fair price.
"I brought the whole family to the game, which cost a fortune. To make things worse, once I got there had to shell out to buy hotdogs, icecream, sodas, and baseball hats!"
by Mark D Smith November 10, 2003
adjective - relating to consuming excessive amounts of room service, shelling out is essentially the equivalent of crabbing or lobstering in the context of a chinese buffet. shelling out is particularly embarrassing if exectued at the hotel poolside
"shall i call room service again or are you about to shell out?"
by buffetmaster March 01, 2009