When A guy's penis is super hard and he pounds it into a vagina or anus with a extreme force causing the receiver to scream and moan like hell..
Kiersten : Hey Chad wanna get physical in your office?
Chad : Sure but if I give you a Deep Fuck the whole store will hear us!
Kiersten : Who care's I'm horny !
Chad : Ok lets fuck!
Kiersten : UH! UH! UH! OHHHHHHHHHHHHHHHHHHHHHHH! OhOhOhOhOhOhOhOhOhOh! Oink! Oink !Oink!
Chad : Ahhhhhhhhhhhhhhhh! Ahhhhhhhhhhhhhhh! Ahhhhhhhhhhhh! Ahhhhhhhhhhhh!
Kiersten : Deeper! Deeper! Deeper!
Chad : AHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH!
Kiersten : UHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH!
Steve : Hey guys what's all the noise do I need to call 911?
Chad : GET THE FUCK OUT YOU MORONE I'm giving Kiersten a Deep Fuck!
Steve : O Wow Can I Watch!
Chad : Close the door and get lost NOW!
Steve : O Ok I'm sorry!
Kiersten : Deep Fuck me again!
Chad : Oh Baby!
by SlopNChop March 2, 2017
Get the Deep Fuck mug.
When two people who enjoy rough sex, have sex so hot and intense, that after hours of hard, jolting intercourse, the man finally rams his cock so hard and deep inside of his lover, that her pussy erupts like wildfire, spewing multiple orgasm.
My boyfriend fucked me so hard last night, Barbie declared to her best friend, that sparks flew out of my pussy. I climaxed four or five times – talk about a deep-fried-fuck – my pussy is still smoking!
by DW007 September 18, 2012
Get the deep-fried-fuck mug.
A high level to which you're into something.
Billy asked me if I could help him fix his car. I told him, "No man! I'm FUCK deep into a project right now. Maybe next week?"
by mrgconn July 21, 2018
Get the fuck deep mug.
1) When you go all the way in, all the way up to your balls.

Can also mean

2) in a lot of trouble/peril , in a lot of danger.
She likes when he goes BMFD: Balls mutha fucking deep nside her and she feels it poke her back.

The other day i got caught in a street brawl and was Balls mutha fucking deep right in the middle of it!
by BRICKESE February 17, 2013
Get the BMFD: Balls Mutha Fucking Deep mug.