In weed terms (could apply to any drug, though), when you pay for a certain amount of product and get less than what you payed for. Or, in my case, when you give someone money to bring you back some bud and they never bring you back any at all, and say they "forgot it". Moral of the story is, kids, never front money.
The person skimper who serves you and designates the portion size whether it be rice, beans, meat (mainly chicken), salsa, sour cream, cheese, guac and lettuce at Chipotle Mexican Grill.
I am at the order line at Chipotle Mexican Grill ordering a buritto. I will have please a buritto with white rice, black beans, chicken, Wait!! you only put half a spoonful of chicken you big ol skimper. May I have a little more please. Extra money for that. Gosh dang skimper!! Hot salsa, cheese please again more skimping going on there and lettuce. Just got ripped off at Chipolte. Man!!! I'll be back tomorrow for more of the skimpers.
When a Simp chats up, flirts or spends more time than you do with your girl/boy friend. Be warned, If Dylan "the ginger" Woodridge enters your girls dms you will loose her. He will break into your girls dms cause he is a simp. he will use a crowbar.