(slang, vulgar) The act of using or inserting one's fingers into another person's genitalia, anus, or other part of the body to stimulate them sexually.

(slang, vulgar) To insert a finger into a person's genitalia, anus, or other part of the body to stimulate them sexually.

(slang, vulgar) To fritter aimlessly or distractedly, to procrastinate, to waste time. / (slang, vulgar) To fool around. / (slang, vulgar) To have sex with many partners.

(Canada, US, slang, vulgar) anal sex

(Canada, US, slang, vulgar) Engaging in anal sex

(interrogative, vulgar, slang) An intensive form of what.

(vulgar) Used to express astonishment, shock, incredulity, or disbelief (as a shortened form of expressions such as "What the fuck is going on?", "...are you doing?", "…is this?" "…is it" or "...is that?").

(vulgar, slang) sexual practice in which a (fisted) hand is inserted and moved in or around the vagina or rectum.

(vulgar, slang) To insert and remove and move a (fisted) hand in someone's vagina or rectum.

(idiomatic, intransitive, vulgar, dismissal) To go to hell; to disappear or go away; to screw oneself. / (idiomatic, intransitive, vulgar) To die or leave unexpectedly.