Sneak

[Sarah]

cheap shotting someone when they dont expect it

[Gregory]

Quietly moving around places that you arent supposed to. Also to come up behind someone without noticing and possibly scaring them if they notice you.

[Dave Paprocki]

To disregard society in hopes to gain sexual relation with a

subsequent other.

[Becky]

to punch someone in the face, considered archaic but is still commended and praised when people of urban background (or people affiliated with people from urban backgrounds) reminisce over times of beating the asses of others. Used in early 80s (possibly earlier)up to late 90s.
*past tense form- snuck

[Julian]

Someone who you be messing around with, without anyone knowing, or having a clue that you are.

[Donald Trump]

secretly hooking up wth someone. usually because youre cheating on you bf/gf

[Michiko]

A person who goes places and does things they are not supposed to do without being detected.

[Agnes]

A double-crossing, slimy little shrew-like buccaneer.

[Cami]

Move or go in a furtive or stealthy way.