Bop
Part of speech: verb
Definition: To gently or playfully strike someone or something. To dance to this music, or indeed any sort of popular music with a strong beat.
Part of speech: noun
Definition: A very light smack, blow or punch. A style of improvised jazz from the 1940s.
Bonk
Part of speech: noun
Definition: A bump on the head.Any minor collision or random meeting.An act of sexual intercourse.
Part of speech: verb
Definition: To strike or collide with something.To have sexual intercourse (also spelled as to boink).To hit something with the front wheels of the skateboard, whilst in the air, this pre-dates the snowboarding term,To hit something (especially a tree) with one's snowboard, especially while in the air.