arse kisser or arse licker noun

An extremely obsequious person

arse kissing or arse licking noun

arsˈy-versˈy adverb and adjective

Backside foremost, contrary

arse about face

Back to front

arse around or about

To mess around, do nothing in particular or nothing of any value

get one's arse into gear

To get organized (to do something)

go arse over tit

To stumble or fall in spectacular fashion

I, etc can't be arsed

I, etc can't be bothered (to do something)

kick arse or ass

1. To act forcefully
2. To be extremely dynamic and powerful

not know one's arse from one's elbow

To be extremely ignorant