bugger

1 bugger /ˈbʌgɚ/ noun
plural buggers
1 bugger
/ˈbʌgɚ/
noun
plural buggers
Britannica Dictionary definition of BUGGER
[count] informal
1 
: an annoying or difficult but usually small thing
2 
chiefly British
a  offensive : a person (especially a man) who is strongly disliked
b  : an annoying or playful person or animal
◊ In this sense, bugger is an impolite word that is often used in a loving or friendly way.
2 bugger /ˈbʌgɚ/ verb
buggers; buggered; buggering
2 bugger
/ˈbʌgɚ/
verb
buggers; buggered; buggering
Britannica Dictionary definition of BUGGER
[+ object] British
1 
offensive : to have anal sex with (someone)
2 
informal + impolite — used as an interjection to express strong anger, surprise, etc.

bugger about

[phrasal verb] British, informal + impolite or bugger around
1 
: to spend time in a useless or aimless way
2 
bugger (someone) about/around : to cause problems or trouble for (someone)

bugger off

[phrasal verb] British, informal + impolite

bugger up

[phrasal verb]
bugger up (something) or bugger (something) up British, informal + impolite
: to make mistakes in doing or making (something)