A male between the ages of 19 and 31 that is usually the boyfriend of a single mom. They are usually too immature to act as a role model and have a tendency to either be too inept to help watch children and do other parent stuff, thus becoming a burden; or will beat/kill a child over something that's not a big deal, for example, a video game.
Person no.1: did you see her boyfriend
Person no.2: yeah, dude looks too much like he could be a step-manchild
Person no.2: yeah, dude looks too much like he could be a step-manchild
by Caesar_Destroyer_of_Normies January 14, 2019
You take the initiation step, Madison, and you'll set in motion an irreversible chain of events that will change the future.
by STAR*MAN March 30, 2016
My step-great-grandniece is a good person.
by User655 July 26, 2021
step-co-grandnibling-in-law.
by Simaduria July 27, 2024
The step rule defines the only instance in which a family member having sex with another family member is not incest. This situation is where the relationship has step- in the name i.e. Stepsister, stepfather, etc.
by General secrecy July 03, 2019
My step-co-parent-in-law is a good person.
by Wonbig October 13, 2021
step-co-parent-in-law.
by Simaduria July 27, 2024