1BritishAn incompetent or stupid person; an idiot.My dad is practically in love with him, the stupid prat....
I felt like a prat for failing the tests and generally feel stupid at underestimating the whole thing - and what was it?
Because it's not a big deal whether I get a decent job or whether I spend my life in the servitude of dimwitted prats, getting people coffee and answering phones.
2A person’s buttocks.
Origin
Mid 16th century(in sense 2): of unknown origin. sense 1 dates from the 1960s.
Rhymes
at, bat, brat, cat, chat, cravat, drat, expat, fat, flat, frat, gat, gnat, hat, hereat, high-hat, howzat, lat, mat, matt, matte, Montserrat, Nat, outsat, pat, pit-a-pat, plait, plat, Rabat, rat, rat-tat, Sadat, sat, scat, Sebat, shabbat, shat, skat, slat, spat, splat, sprat, stat, Surat, tat, that, thereat, tit-for-tat, vat, whereat