Yes it is. A term used by people at least 30 or more years old.
A proctologist.
1 as,s is another name for a donkey2 or in "slang" it is another way to say butt
Yes, It's another name for butt.
Rump & or rear end.
Another word butt is bottom or buttocks.
Nicky Butt's birth name is Nicholas Butt.
Bryan Butt's birth name is Bryan Charles Butt.
Ray Butt's birth name is Raymond William Butt.
Lawson Butt's birth name is Wilfred Lawson Butt.
Johnny Butt's birth name is John William H. Butt.
Butt
No, you are not allowed to head butt another player in the chest