(1) (Noun) The act of not fully inserting one's penis in an other's vagina or anus until about to cum and then just before one is going to cum, the full erection is thrust into the vagina or anus. (2) (Verb) To not fully insert one's penis in an other's vagina or anus until about to cum and then just before going to cum, the full erection is thrust into the vagina or anus.
by Dieselboi February 02, 2010