Slug slag

Slug slag, an adjective for a boy who has a saggy Willy and is active in sexual behaviours

Do you see that Aaron guy over there? I heard he’s a total slug slag

Slug Slagging

Shoving a slug in a sock, freezing it, and fisting someone

Slug Slagging is fisting someone with a frozen slug
I just "Slug Slagged" Livy
I just fisted a girl with a frozen snail i "Slug Slagged" her