look up any word, like rusty trombone:
 
5.
sex where a penis penetraits someone's anus
Sheryl almost died when tom asked her if she wanted to butt fuck
by Anonymous June 16, 2002
635 251
 
1.
......... ___
......../^ ^ \
........| \_/ |
.........\___/
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...........| .. \
...........| . . \
...........| . . . \ . . . . . . . . . . . . . . . .___
...........| . . . . .\ _______________ / ><\
...........|______/ . . . . . . . . . . / \ . \_ 0_/
........../ \ . . . . .\ . . . . . . . . . /. . \
........./ .. \ . . . . \ . . . . . . .. / . . . \
......../ . . . \ . . . .. \ . . . . .. / . . . . .\
......./ . . . . .\ . . . . .\ . . . . / . . . . . . \
...../________\____/ . . . . / . . . . . . .. \
Look at that! It's a buttfuck!
by sdfgbnsvkbg December 16, 2009
3080 625
 
2.
What happens to you when you use AOL.
I signed up for 300 free hours with AOL, and then preceeded to bend over and spread my cheeks...
by Hiro August 29, 2003
934 283
 
3.
The best sex. Insert penis into anus.
I butt fuck my boyfriend at least once a day. He prefers to butt fuck doggy style.
by badlandsboy December 23, 2003
1053 573
 
4.
to ram in the ass with a penis or dildo
dickhead
i want to buttfuck your sister
by fartsniffer May 25, 2002
646 189
 
6.
anal sex

(to DO IT in the butt)
gay guys buttfuck.
by Anonymous January 31, 2003
467 195