Doing “It” By EvilJanuary 9, 2015February 25, 2020Popular Expression Doing “It” = having sex (“Doing it” may be preferred to say by some conservative people who may be embarrassed to say “sex.”) Ex: So you stayed the night at her house. Did y’all “do ‘it’?” Ex: We’ve been dating over a month, but last night was the first time we ever “did ‘it’.” BACK to Popular Expressions