(informal) to be up the creek without a paddle; be in trouble; be in a pickle; be in a spot of bother

(simile) like a duck takes to water

(figuratively) to be in bad shape

(transitive, informal) to tar with the same brush, to paint with the same brush

(figuratively, informal) hands down, one-handed, standing on one's head, with one hand tied behind one's back (very easily)

(figuratively) to fall on deaf ears

(transitive) to drive someone into a corner, to corner someone

(figuratively) to turn in one's grave

(figuratively) to be chilling, to give the creeps, to send shivers down someone's spine

(figuratively) to get caught up in something, to get sucked in something, to get involved in something against one's will