thick
a bit thick more than you can tolerate; unfair or unreasonable. British informal
1991Alistair CampbellSidewinder I thought this was a bit thick, and to begin with I tried to defend myself.
give someone (or get) a thick ear punish someone (or be punished) with a blow, especially on the ear. British informal
have a thick skin: seeskin.
lay something on thick (or with a trowel) grossly exaggerate or overemphasize something. informal
the thick of something the busiest or most crowded part of something.
1999Christopher BrookmyreOne Fine Day in the Middle of the Night They'd been in the thick of it, sharing God-knows-what experiences together, from foreplay to gunplay.
thick and fast rapidly and in great numbers.
thick as thieves (of two or more people) very close or friendly; sharing secrets. informal
thick as two (short) planks very stupid. informal
☞ Variants of this expression include thick as a plank and thick as a brick. There is a play on thick in its basic sense 'of relatively great depth from side to side' and its colloquial sense 'stupid'.
the thick end of something the greater part of something. informal
2014Keeping Stock We haven't even got to the end of January and Labor and the Greens are already promising to spend the thick end of an extra three quarters of a million dollars a year.
thick on the ground: seeground.
through thick and thin under all circumstances, no matter how difficult.