#1 thunder n. [boom, roar, roaring] a deep prolonged loud noise. wn
#2 thunder n. a booming or crashing noise caused by air expanding along the path of a bolt of lightning. wn
#3 thunder v. move fast, noisily, and heavily; "The bus thundered down the road". wn
#4 thunder v. [roar] utter words loudly and forcefully; "'Get out of here. wn
#5 thunder n. [big H, hell dust, nose drops, smack, skag, scag] street names for heroin. wn
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