When in-laws, especially those having lower morals, values, and/or intelligence than yours, bad-mouth you in an attempt to sabotage your relationship.
Honey, please tell your sister to stop trashsacking me. She's a know-nothing.
by NotIntended2BeAFactualStatemnt April 15, 2011
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.Buy the mug