have a bone on

have a bone on

vulgar slang To have an erection. I hope that pretty girl couldn't tell I had a bone on—how embarrassing!See also: bone, have, on

have a bone on

tv. to have an erection. (see also bone at boner. Usually objectionable.) Look, friend, you can’t do anything with me till you have a bone on. Get it up or get out. I got other customers waiting. See also: bone, have, on