gag

funning, joking, wisecracking

panic [slang], riot, scream

antic, buffoonery, caper, monkeyshine(s), practical joke, prank, trick

burlesque, caricature, lampoon, mock, mockery, parody, put-on, riff

comedy, humor, wit, wordplay

skylarking

high jinks (also hijinks), horseplay, play, roughhousing, rowdyism

shenanigan(s), tomfoolery

joking, kidding, teasing

gambit, hoax, maneuver, ploy

caprice, conceit, fancy, vagary, whim, whimsy (also whimsey)

fraud, hanky-panky, hoodwinking, ruse, sham, stratagem, subterfuge, trickery, wile

disgorge, regurgitate

eject, expel

nauseate

heave, retch, throw up, vomit

asphyxiate, smother, stifle

gibe (or jibe), haze, jeer, mock, rag, rally, razz, rib, ridicule, tease

caricature, lampoon, parody, satirize

amuse, divert, entertain