He/she does not know anything about anything, he/she just either thinks about sex or he/she is just stupid to the max.
Person 1: You have a worse grade then me in math!
Person 2: But I have overall better grades fuck for brains.
When a man fucks a woman so good she orgasms multiple times, trembles/shakes uncontrollably, is unable to speak properly and needs to sleep afterwords to recover.
Ted: Fucked me girlfriend last night good and proper, she couldn't speak properly afterwords.
Bob: Thats because you fucked her brains out man.
Ted: Fucking right i did!
95π 2π
when a man fucked a women so hard she had multiple orgasms and shakes her legs while she cant control it and also takes a fat ass nap afterwards.
Trey: "fucked her brains out "
Kevin: " damn she shaking?"
Trey: " hell yea"
Kevin: "my boi"
To fuck for a long period of time..... Quickly. As in thrusting fast for hours. To make both man and woman climax multiple times in an hour. To make a head imprint or dent in a headboard.
A fun weekend, to Fuck your Brains out with sarah!!
546π 103π
to have sex with (someone) energetically
If Paris Hilton was my girlfriend, I'd fuck her brains out.
341π 90π
Having sex until until fully exhausted
Girl 1 "Henry came home yesterday horny as anything"
Girl 2 " Did you spend your night fucking your brains out?"
Girl 1 " Yep - we went at it all night like rabbits"
30π 5π
One of the best orgasmic sexual experiences you will have with the opposite sex itβs hardcore and savage riding and thrusting and humping making each otherβs head go back again and again like wild animals the best kind of sex
(Whispers in her ear)
I will fuck your brains out
55π 23π