A bampin is short for the Dutch "boterham met pindakaas", meaning a peanutbutter sandwich. Boterham is often affectionately called a "bammetje", which is turn is abbreviated to "bam". "Pin" clearly speaks for itself.
A sleazeball who thinks he has conned me but though he pretends to be my friend I know I am better as I have been researching for much longer than him and I am the original and alway have been and always will be and he's really getting my hackles up and if he's not careful I shall set my LOVELY WIFE on him!
A woman's saggy butt that developes after having kids and loosing some weight. Resembling a pumpkin that has melted and sagged after sitting onthe porch too long after Halloween.
Man, Aubri used to be hot in high school, but now that she has had kids she has bumpkin butt.