(transitive, idiomatic) To increase something suddenly. / (transitive, idiomatic) To promote a person to a higher grade.

plural of bumbershoot

(vulgar, slang) To perform sexual intercourse.

Very crowded and slow-moving, particularly with regard to motor vehicle traffic.

present participle of bumble

The act of one who bumbles; a mistake or error, especially through clumsiness.

Acting in a confused or ineffectual way; incompetent; showing little or no skill.

A small electric-powered vehicle encircled with a rubber bumper, used in an amusement ride.

plural of bumblebee

simple past tense and past participle of bumble