clap in

Verb

intransitive obsolete slang

(intransitive, obsolete, slang) to enter or leave a place vigorously (as a clap of thunder); to proceed vigorously.

Japanese Meaning

勢いよく入る / 勢いよく退出する / 勢いよく進む

At midnight they clap in, filling the hall like a sudden storm.

真夜中に彼らはどっと入ってきて、まるで突然の嵐のようにホールを満たした。

Sense（1）

(intransitive, obsolete, slang) to enter or leave a place vigorously (as a clap of thunder); to proceed vigorously.

claps in

（ present singular third-person ）

clapping in

（ participle present ）

clapped in

（ participle past ）

clapped in

（ past ）