look up any word, like fuck boy:
 
1.
A synonym for legs, especially when referring to them in a sexual way.
Made famous by the line in the Rick Springfield song Jessie‘s Girl, "He's holding her anus arms late, late at night."
by Cotterdamerung June 15, 2013
 
2.
The arm in which you wipe your ass.
"Hey let's arm wrestle left handed", "Nah that arm is weak, it's my anus arm."
Credit to Danny.
by Invaderjim October 09, 2012