Fuck me
Definition 1 of 3
Pro Tip 1/3Emotional Intensity
Used to emphasize strong feelings when shocked or impressed. 
Fuck me, that magician was unbelievable!
Pro Tip 2/3Not Literally
Not a request for sex; used metaphorically to express emotion. 
Fuck me, this view is spectacular!
Pro Tip 3/3Potential Offense
Can offend some people; be cautious using it with strangers or in formal settings. 
Fuck me, I spilled my coffee!