1. similar to being "head over heels", but in a more sexual nature.
2. to think or speak of your significant other all the time, with hints at sexual inferences; mainly when done by women.
3. to let physical and/or sexual desires for a person overtake rational thought; to think with the booty instead of the brain.
Stacy: "I really love my boyfriend; he's so cute and funny and strong, he loves me and listens to me-"
Rebecca: "You just butt over brains for this guy aren't you?"
when the food is so good you feel like your butt is wet.
this burger is so good, my butt cheeks are so wet!
Acting extremely self-centered and independent. An egotistical vagabond.
Did you hear how the lady at the market was talking so rude to the cashier?
She was being a total Butt Gypsy
the best possible place to store your butt coils
quick! hide them in your butt coil cabinet
When sweating and chafing occur in the ass crack and taint/balls creating intense itching from the fungus that has grown.
Jeremy: Are you ready to go out tonight and look for some ladies?
Adam: No, I have an intense case of Fungal Butt imaginable. I have itched it raw.
Jeremy: So you need to go see the doctor!
Adam: I have an appointment in the jungle with the fungal people.
Jeremy: Uh ok….
When one stresses the digestion system so profusely the inner walls of the colon have no choice but to abort the festering cyst that has manifested from nothing but soy based ramen and Serrano peppers.
Oh man we ate too much ramen I feel a "Butt Dumpling" knocking.
A woman with an ass that looks like to big boulders, cause of all the demples
Man that woman got a Boulder Butt