noun, noun or participle which takes 'suru'
cruising for sex
Gay slang for seeking casual sexual encounters, typically in public places like parks or bars. Derived from 発展 (development), implying a sexual development.
See also: 発展 (はってん)
彼は週末になるとハッテン場に出かける。
He goes to a cruising spot on weekends.
ハッテン目的で
Some people go to the park for cruising.