Something not going as planned, a let down, an extension of blown,basically. Also means the same as bummer.Can be followed with exclamation point.
person 1: "You know that girl I was going to the movie with tonight"
person 2: "Yeah, man
person 3: "Well, she totally flaked out on me
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