half-arsed
(British very informal!) also half-assed (American very informal!) a half-arsed attempt to do something lacks energy and enthusiasm I made a half-arsed attempt to write the introduction and then went back to bed.
rat-arsed
(British very informal) also rat-assed (American very informal) very drunk They came home completely rat-arsed.
be tight-arsed
(British & Australian very informal) also be tight-assed (American very informal) to be worried about small details that are not important Don't ask Jack to get involved, he's so tight-assed and really irritating.
bare-ass(ed)
mod. with a naked posterior exposed; totally naked. (Usually objectionable.) He ran right through the room—totally bare-assed—looking scared as hell.
candy-ass(ed)
mod. timid; frightened; cowardly. (Mildly objectionable.) What a candy-assed twit you are!
fat-ass(ed)
mod. having large buttocks. (Usually objectionable.) Get your fat-ass self outa my car!
hairy-ass(ed)
1. mod. wild; exciting. We had a real hairy-ass time on the roller coaster.
2. mod. strong and virile. (Usually objectionable.) This big hairy-ass guy started to push us around.
half-ass(ed)
mod. clumsy; awkward and ineffectual. (Usually objectionable.) She only made a half-ass try at passing the test.
sorry-ass(ed)
1. mod. sad and depressed. (Usually objectionable.) Man, old Charlie was about the most sorry-ass dude you ever saw.
2. mod. worthless; poor quality. (Usually objectionable.) How much longer do I have to drive this sorry-ass excuse for an automobile?