laddish

Concise Oxford English Dictionary © 2008 Oxford University Press:
lad/lad/

▶noun

• 1 informal a boy or young man.

  ■ (lads) Brit. a group of men sharing recreational or working interests.

  ■ Brit. a boisterously macho or high-spirited man.

• 2 Brit. a stable worker (regardless of age or sex).

– derivatives
laddish adjective,
laddishness noun.

– origin ME: of unknown origin.