Synonyms for Have A Go At It (same or very similar meaning)
WordNet sense 1 (have sexual intercourse with):
bang, bed, hump, jazz, know, love, screw, bonk, make out, be intimate, do it, get laid, have sex, make love, roll in the hay, sleep with, eff, get it on, have intercourse, have it away, have it off, lie withFrom the ODE community, based on WordNetadd/edit