to stroke down, to smooth down

first time using a brush / (by extension) first time doing something / (slang, by extension) man losing his virginity

Same as above

(colloquial) current boyfriend

everything

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

to hold in one's hand / to obtain

(childish) Alternative spelling of おてて (“hand”)

strengthens the prefixed adjective or adjectival noun