玩意兒 (wun6 ji3 ji4) — thing; thingy; toy; act; trick in Cantonese

play (with); have fun; amuse oneself

expect; anticipate; foresee

final particle / suffix, placed after many commonly used nouns to avoid employing one-syllable terms in speech (very common in the Beijing dialect 北京話, see: 兒化, 兒化韻)

gismo, gadget