look up any word, like bae:
 
1.
a word to describe the sex position of anal sex.
oi man go giv dat gal a "battywack" init standard.
by feks August 09, 2008
 
2.
To Have Bumsex
"Hey Did You Fuck That Girl Last Night"

"No I Gave Her A Battywack Instead"
by Feks July 31, 2008