What is Fuck!?
1.
to stand out in the middle of the street and yell FUCK!
FUCK! That car is gonna hit me!
See
2.
An abbreviated form of the angry (and over used) fuuuuuuuukkkkkkkkkkkkkkkk!!!!!!!!!!!!!!
Mac: We´re in Barcelona right now without you. We called your phone 10000 times and u wouldnt wake up. dumbass.
Mario: Fuck!
See