common average old before
They are clichés.
Cliches are trite expressions that are over-used.
drink the kool-aid 24/7
it is a stereotyped expression. Like everything is fair in love and war.Though such expressions are centuries old but still are valid in today's time
25x+20y=5x(5+4y)
vf,chfd,fns,nfnfn,nfsnfs,mnfm,
I got your impolite expression right here.
Saying "Good morning, how are you" is such an expression.
an example of a expression is [7+3] x 20- 7= 13
goodmorning
Trite is an adjective. The noun form is triteness.