To excite or arouse. Well-known for its first three letters.

A jack off buddy (from 'cum' /'come', meaning 'semen', and 'companion'); a friend that you get together with for sessions of solo or mutual masturbation
Variant of: cumpanion (from 'companion' & 'cum'); jack off buddy & wank bud & JO buddy
Similar to: fuck buddy

1.To stimulate by touching lightly; tickle.
2.To excite (another) pleasurably, superficially or erotically.

1.) to make an individual aroused by means of caressing, and/or stroking 2.) To pleasure by means of penetration and/or vaginal and anal stimulation.