Cusping

[Magaret]

To wank oneself or to be wanked by someone else to the [cusp] of having an orgasm but [stopping short] of ejaculation. May be performed several times over and over before allowing orgasmic release of ones [cum load]. Cusping may be performed to enhance or extend sexual play or may be used as a form of BDSM play involving dominance and submissive roles. May also be referred to as Edging in the porn and fetish industries.

[Marquetta]

A decorative feature consisting of cusps.

[Little_Girl]

The word [Rick] said in the party [episode] of [Rick and Morty] that we all looked up.

[Julene]

When yourself or a sexual partner [wraps] their thumb and [index finger] around the base of your [bellend] i.e. the Cusp and motions a wanking movement.