Kenyan international Jonah Ayunga was unfortunate to miss a penalty as his St Mirren side thumped Aberdeen 3-1 in a Scottish Premier League clash.St Mirren arrived into the clash looking to overwrite their four-game winless run while Aberdeen had lost to the two Scottish giants Celtic and Rangers in the last two encounters.Modo admits to poor performances in opening five matchesAberdeen had a dream start to the game as it took just nine minutes to open the scoring through Matthew Kennedy after Connor Barron put the ball on a plate for him.Anthony Stewart was handed his marching orders 10 minutes from the halftime break for a last-man tackle inside the box, with Aberdeen suffering a double whammy as a penalty was conceded.Mark O’Hara stepped up to take the penalty but he could not hold his nerve as his spot kick hit the post but was fortunate as it bounced off the keeper and went into the net.##NAJAVA_MECA_6906281##O’Hara was handed a chance to redeem himself eight minutes after the resumption of the second half and made no mistake from the spot again to put St Mirren in the lead.Aberdeen were having a day to forget as they conceded the third penalty of the game in the 62nd minute but Kelle Roos denied Ayunga from the spot to keep his side in the game.Ayunga was then withdrawn at the stroke of the 90th minute with Alex Gogic taking his place as Greg Kiltie stamped St Mirren’s win in the 95th minute after a brilliant counterattack.