To take, use, or otherwise assume control of another's belongings. Example: 1. Don't grinch my french fries. Get your own. 2. If you try to grinch my boyfriend, I'll scratch your eyes out. 3. You grinched my CDs last week and I want them back.
GRINCH
Meaning of GRINCH in English
Slang English vocab. Английский сленговый словарь. 2012