slip out of (?.)
- bow out
- cast off
- creep out of
- depart
- disappear
- dodge
- doff
- dog it
- douse
- drop
- duck
- duck duty
- duck out
- escape
- exit
- find a loophole
- get out of
- go on furlough
- go on leave
- goldbrick
- goof off
- leave the scene
- malinger
- mooch off
- not pull fair
- put off
- remove
- shirk
- shuffle out of
- skulk
- skulk away
- slack
- slide off
- slide out of
- slink off
- slip away
- slip off
- slip out
- slip through
- slither off
- sneak off
- sneak out
- sneak out of
- sneak through
- soldier
- squirm out of
- steal away
- step out of
- take leave
- take off
- throw off
- undo
- unwrap
- welsh
- worm out of
- wriggle out of