When one who has extra long fingers proceeds to enter the vaginal region to perform "hand sex" as the laymen call it, but must first don a finger cot, or finger condom, typically to not fertilize the woman with previous ejaculation from the prior hand job or "handy dandy jerky spammy".
Jane - "And when he finished, he said 'it's your turn.'"
Sue - "And...?"
Jane - "He did a Scuba Goose! He had no idea I was allergic to latex, so I walked out of there waddling, but not from a good railing."
Where you use a straw or swizzle-stick to probe down into da big “scuba”* ice cream in yer cone to determine if da diner’s soda-jerk remembered to include yer prize at da bottom, or to check and see if there is indeed a delightful sticky-creamy chocolate-fudge center.
*Apologies to Abbot & Costello for swipin’ their joke here. :P
Redneck psychologist: I’ve found that one of the best --- and least painful/intrusive --- ways to determine if a client has obsessive-compulsive tendencies is to take him out for ice cream at a fast-food joint that offers a fun little prize down inside the cone, and then I simply observe whether my client performs a “scuba-diving” action before he finishes the ice cream.
A man getting oral underwater in a pool.
Hey man I got a scuba Steve last night!
When a person intentionally misses a regular obligation (such as work or school) and lies about his/her whereabouts. The term scuba refers to the fact that the person will have been in a warm climate where scuba diving is possible (e.g. the Caribbean).
Person 1: Hey, where's Bob he hasn't been in to the office for quite some time.
Person 2: Well, he texted me yesterday saying that he was sick but personally I think that he's Scuba Skyving
When a person gives oral sex to a male under water.
He asked me to join him in the bathtub and go scuba dicking
Replacing any verb or even potential noun with this word, most popular usages can include sex, a person of some silly degree food items, a fucking mess.
The delinquent who made the chicken, he did a scuba.
"Come back into the freezer and scuba"
"Your scuba will be up in 3 minutes"