doesn't wouldn't know (one's) ass from (one's) elbow イディオム
bend your elbow
drink beer or liquor, tip a few Your eyes look red and tired. Bend your elbow last night?
elbow grease
effort and strength to clean something We
elbow room
room to move among people, space in a crowd On the streets of Hong Kong there wasn't much elbow room.
rub elbows
work beside, associate with Fran and I used to rub elbows when we worked at the fish plant.
rub elbows or shoulders with someone
be in the same place (with others), meet and mix with others We went to the party in order to rub shoulders with some interesting artists.
rub elbows/shoulders
be in the same place (with others), meet and mix At the party we were able to rub elbows with many important people.
arse over elbow
see arse over tit
asses and elbows
(always plural) people bent over, working hard, picking up things
bend elbow
to bend your elbow: to have an alcoholic drink
elbow
1. a pound of marijuana
2. see bend elbow