beat-ass adj.
(US)1. excellent, outstanding [SE beat + ass n. (4)].
 | Jimmie’s Reviews 🌐 This album should hail as one of metal’s greatest accomplishments. All kinds of polyrhythms, all kinds of beat ass parts. |
2. second-rate [beat adj. (4) + -ass sfx].
| www.americanjackass.net 🌐 There are some bomb ass chics on there, but unfortunatley [sic] you have your beat ass ones too. |