bumpercasing

verb (present participle)
UK /ˈbʌmpəkeɪsɪŋ/
US /ˈbʌmpərkeɪsɪŋ/

Riding on the back of a moving car while holding on.

The kids got in trouble for bumpercasing down the street.


OTHER MEANINGS

2. Attaching a protective case to something.

He was bumpercasing his new phone right after unboxing it.

3. Bumping into things clumsily while carrying a large case.

She was bumpercasing through the crowded hallway with her cello.

4. Making a joke or pun about bumpers.

The comedian spent five minutes bumpercasing about car parts.