1. semen, at the point of ejaculation.
|Memoirs of a Woman of Pleasure (1985) 83: His oily balsamic injection mixing deliciously with the sluices in flow from me.|
|Nocturnal Meeting 91: A copious injection into the two plump sterns.|
2. sexual intercourse; the intromission of the penis.
|My Secret Life (1966) VI 1256: Frigged her now and then till we could both bear delay no longer, and then gave her another injection.|