A person who exhibits low intelligence; doesn't think before acting; clumsy.
That bettse over there can't even drink his pink drink without spilling it!
Wow! He must be a real bettse to do something that stupid!
Do I look like a bettse? How stupid do you think I am?
An undesirable sexual position; uncomfortable; boring; lazy
"I'm dumping my boyfriend. Last time we had sex, he did it bettse style"
"That kid is so lazy he does it bettse style!"
"Wow, bettse style? My DOG can do better than that!"
"Wow, don't get near that guy, he just bettsed that little kid"