A sex act in which a person (male or futanari) rubs their penis in the cleavage between their partner's [[pectorals]]. Also known as [[paizuri|titty fucking]] or pec fucking.

h4. See also

* [[pecjob under clothes]]
* [[pecjob while penetrated]]
* [[pectoral grab]]
* [[cum on pectorals]]
* [[manboobs]] - concerning fatty or breastlike pectorals
* [[bouncing pecs]]
* [[pectorals]]
男パイズリ