A sexual
undertaking very similar to the act of "
motorboating" a woman's breasts. However, the "
boating", if you will, occurs in the anal region of the recipient (male or female).
Dude#1: Hey man! Did you see the way Stacy was walking this morning?
Dude#2: Yeah. She looked like she took a
belt sander to the ass.
Dude#1; Yeah man! Thats cause I gave her the
ole Garbage Barge.