Cardholder

[Gregory]

During anal sex, a man grabs onto his partner and initiates a [headbutt], leading to a [clenched] anus and increased arousal. Similar in technique to a donkey punch, but the headbutt leads to a more violent anal [clench] than a fist.

[Julian]

A person who has a credit card or debit card.

[Tanya Shivari]

someone who has been given permission to use a card that allows them to do something, especially a cheque card or a credit card