A person who expresses their sexuality whilst socializing. A sex kuieraar is a person who would airhump the the speaker or start making rude sex noises whilst being in polite converstion. The word is derved from afrikaans litterally meaning " sexual socialiser "( kuieraar pronounced - kay-ir-are )
Look at Edwin over there humping that vase infront of the brides mother , he's a real sex kuieraar
2: oi, il meet you at kumera?"
" wea r u? im at Big K??"
"bro, i hooked up with the hottest guy on Kumera D-floor"
"did you see the HFS crew on the Kumera D-floor?"