Noun

1. A lump on the body caused by a blow
2. Something that bulges out or is protuberant or projects from its surroundings
3. An impact (as from a collision)

Verb

1. Knock against with force or violence
2. Come upon, as if by accident; meet with
3. Dance erotically or dance with the pelvis thrust forward
4. Assign to a lower position; reduce in rank
5. Remove or force from a position of dwelling previously occupied