tompang verb3 •(Singapore, informal) To have one's items carried by another; to include items as part of a trip taken by another.If you go out then can I tumpang some letters to be mailed from post box? — 2003 •(Singapore, informal) To hitch a ride.If you need a short ride within the neighbourhood, just tumpang la. — 2015 •(Singapore, informal) To append something to a proposal.Party chief Low Thia Khiang said that, while they support the name change to honour Encik Yusof, "we cannot square with the change(s) that are being 'tompang' (piggybacked) with the name change." — 2015