Tumber is something that is cool or liked.
Man did you see that backside 540 i nailed the other day. Man that was soooo tumber
8👍 8👎
I asked my 2-year-old what she was doing with the empty plates, teacups, saucers and napkins on a picnic blanket. She replied, "I 'm just tumbering that I'm having a real tea party."