"You never seem to be useful, just a dumbbell in our thesis group!"
"You're a dumbbell!"
By Mara
Dumbbell
The act of two males standing back to back with a dildo in eachothers assholes. Similar to scissoring but in a homosexual way. If u look closely it looks like a dumbbell ready to hold by the handle and lift up over ur head and rip those gays a new one.
The douchebags in the gym who hog multiple sets of dumbbells without racking them up for long periods of time.
Swole guy 1: "yo that douche has two 55's, two 60's, and two 65's. How am I gonna do my incline press"
Swole guy 2: "What a fucking dumbbell hogger"
Swole guy 3: "Fuck this, I'm doing crossfit."
Holy crap dude, I haven't rimmed a girl since I got this new tongue ring, but last night I went to town on my girlfriend's sister and totally got a rusty dumbbell.
By Alissa
Pennsylvanian Dumbbell
The act of taking an object, like a banana or a pole, up one's ass, then having someone else put it in their ass from the other end. Thus resembling a dumbbell.
Nancy was bored with the usual sexual routines, so her and I used a metal rod to make a Pennsylvanian Dumbbell.