In the actual circumstances (and often contrary to expectations). / Already; without adding further difficulty or complexity. / Used other than figuratively or idiomatically: see as, it, is.

Alternative form of crazy like a fox

(slang) Remarkably stupid.

(occultism) What happens on a higher level of reality also happens on lower levels; the microcosm and macrocosm behave alike.

Indicates that the speaker is ashamed.

(simile) Alternative form of dull as dishwater

(simile) Boring; ordinary; exceedingly dull.

(slang) Demented, crazy.

Agrilus planipennis, a green beetle native to Asia and a significant pest of ash trees in Europe and North America.

(transitive, idiomatic) to discard